Minerals & Metals

Camouflaged Tree Tower iBionic tree, also known as simulation tower and bionic communication tower, belongs to the technical field of communication launch tower. It is to coordinate the communication tower with the surrounding natural environment and effectively solve the problem of difficult station construction in scenic spots and other places. Its advantage is to maintain all the advantages of the original single tube tower and make major breakthroughs and improvements in its shape. Taking the naturally growing pine and camphor trees as simulation modeling samples, design sketch drawings and computer effect drawings, formulate sculpture and spraying process procedures, and simulate and camouflage the single tube tower, Make people unaware of the existence of the tower and integrate it into the surrounding natural environment.

Product Parameters Product Name Color Pre-coated Galvanized Coil Standard AISI, ASTM, JIS, DIN, BS, EN, GB Material Grade DX51D DX52D SGCC SPCC Surface Treatment Color Pre-coated Color All Ral Color or as customized Top Coating Thickness 15μm-25μm Back Coating Thickness 5μm-20μm Thickness 0.12mm-1.2 , mm Width 600mm-1500mm or as customized Package Standard seaworthy export package Original Port Tianjin Port Delivery Time 7-15 working days after got the deposit

Alloy Structural Steel Supplier ODM Alloy Structural Steel Supplier Stock 1. Structural alloy steel (structural alloy steel) refers to steel that is used as mechanical parts and various engineering components and contains one or several alloying elements in a certain amount. 2. Alloy structural steel is generally divided into quenched and tempered structural steel and case-hardened structural steel. ① The carbon content of quenched and tempered structural steel is generally about 0.25% to 0.55%. For structural parts of a given cross-sectional size, during the quenching and tempering treatment (quenching and tempering), if it is quenched along the section, the mechanical properties It is good, but if hardenability is not carried out and free ferrite appears in the microstructure, the toughness decreases. For steels with a tendency to temper brittleness, such as manganese steel, chromium steel, nickel-chromium steel, etc., they should be cooled quickly after tempering. The quenching critical diameter of this type of steel increases with the increase of grain size and alloying element content. For example, 40Cr and 35SiMn steels are about 30 to 40 mm, while 40CrNiMo and 30CrNi2MoV steels are about 60 to 100 mm. Structural parts such as shafts and connecting rods with large loads. ②Surface hardening structural steel is used to manufacture parts with hard and wear-resistant surface and flexible core, such as gears, shafts, etc. In order to make the toughness of the core of the part high, the carbon content in the steel should be low, generally 0.12 to 0.25%, and there should be an appropriate amount of alloying elements to ensure suitable hardenability. Nitride steel also needs to add alloying elements (such as Al, Cr, Mo, etc.) that are easy to form nitrides. Carburizing or carbonitriding steel, after carburizing or carbonitriding at 850~950℃, quenched and used in low temperature tempering (about 200℃). Nitrided steel is treated by nitriding (480～580℃) and used directly without quenching and tempering. 3.Production Process According to the steel grade and steel quality requirements, the smelting of alloy structural steel can be carried out by oxygen top-blown converter, open hearth, electric arc furnace; or by electroslag remelting and vacuum degassing. The ingot can be cast by continuous casting or die casting. The ingot should be slowly cooled or hot forged and rolled. When the ingot is heated, the temperature should be uniform and there should be sufficient holding time to improve segregation defects and avoid uneven deformation during forging and rolling; the steel after forging and rolling is small in size, especially carburizing with a carbon content of about 0.2%. Steel should be cooled rapidly at temperatures above 600°C to avoid aggravating the banded structure; for forgings with larger cross-sections, measures should be taken to eliminate internal stress and white spots. Quenched and tempered steel should be quenched into martensite structure as much as possible, and then tempered into sorbite structure; in the carburizing process of carburized steel, the concentration gradient of the carburizing layer should not be too large, so as to avoid continuous network on the grain boundary of the carburizing layer. Carbide; nitrided steel must first be heat treated to obtain the required properties, and then final finishing can be used for nitriding. After nitriding treatment, no processing is required except that the brittle "white layer" is ground and removed. 4. Songshun specialized in Special Steel for almost 20 years. We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.Welcome your contact 24 hours a day!!! E-mail:jacklu@songshunsteel.com Skype , /Whatsapp/Wechat:+86-18269260283 Songshun Tiktok:mikizhuo Songshun Facebook:Songshun Steel Songshun YouTube:MiKi Zhuo Songshun Company Website:https://steelpurchase.com/ http://www.songshunsteel.com/ songshunsteel , 41404340

Minimum Order: 2 barrels

ASTM 8620 JIS SNCM220 DIN 1.6523 Alloy Structural Steel Application Application What is the application of 8620 steel? AISI 8620 alloy steel is mainly used as a material for impact and wear resistant parts such as automobile bearings, camshafts, etc. In the carburized state it is used for gears, ring gears, shafts and crankshafts.It can also be used for the claws and cone bodies of the roller cone bits for oil drilling and metallurgical open-pit mines, and to manufacture the forgings of the connecting rod valve section of the steam turbine gear whole rotor internal combustion engine. Heat Treatment AISI/SAE/ASTM 8620 Steel Heat Treatment （1）Glow It can be fully annealed by heating to 820 – 850℃ and holding until the temperature is uniform throughout the section, and furnace or air-cooled. （2）Cranking Tempering of heat treated and water cooled parts (not carburized) is done at 400 to 1300 F to improve the toughness of the case with minimal impact on its hardness. This also reduces the possibility of grinding cracks. （3）Hardening It is austenitized at around 840°C – 870°C and oil or water quenched depending on the cross-section size and complexity. And cool it in air or oil required. （4）Normalize 910ºC (1675ºF) and air cooled. This is another method to improve the machinability of 8620 steel materials. Normalizing can also be applied prior to case hardening. （5）Heat treatment This alloy can be hardened by heating to 1500 F and then water quenching. Carburize at 1650 to 1700 F in a suitable carburizing medium and oil quench to harden. Improved properties of the carburized case and core can be obtained by furnace cooling by carburizing at 1650-1700F and then reheating to 1575F. Test How is ASTM 8620 steel tested? Our AISI 8620 alloy steel guarantees high quality, and we use UT test to check each piece of steel; UT test: Ultrasonic Test, ultrasonic inspection and flaw detection, is one of the methods of non-destructive testing in the industry. When the ultrasonic wave enters the object and encounters a defect, a part of the sound wave will be reflected, and the transmitter and receiver can analyze the reflected wave, and the defect can be detected extremely accurately. And it can display the position and size of internal defects, and measure the thickness of materials. Ultrasound in UT is a mechanical wave with a frequency higher than 20 kHz. The frequency commonly used in ultrasonic flaw detection is 0.5 to 5 MHz. This kind of mechanical wave can propagate at a certain speed and direction in the material, and it will be reflected when encountering a heterogeneous interface with different acoustic impedance (such as a defect or the bottom surface of the measured object, etc.). We supply Songshun steel from stock AISI 8620 alloy steel round bar: Specifications: Diameter: 16mm – 800mm; Length: 2000mm-5000mm Surface: black/bright/polished/peeled/turned; AISI 8620 steel plate: Specifications: Thickness: 16-800mm; Width: 205mm-810mm; Length: 2000mm-5000mm Surface: black/bright/polished/peeled/turned; We also have our own cutting and processing facilities. Specifications can be tailored and customized to your needs. We have been producing alloy steel for more than ten years. As a professional 8620/1.6523/SNCM220 steel supplier, you are welcome to contact us at any time. songshunsteel41404340

Minimum Order: 1 bags

1. 8620 steel has high hardenability without brittleness. It is also called DIN 1.6523 and JIS SNCM220 steel. It also has good weldability, little tendency to form cold cracks, and good machinability and plasticity by cold deformation. It is used to make gears, shafts, bolts, springs, hand tools, etc.AISI 8620 alloy steel properties and 8620 steel composition as below. 2. 8620 chemical composition Carbon C: 0.18～0.23 Silicon Si: 0.15～0.35 Manganese Mn: 0.70～0.90 ASTM8620 alloy structural steel ASTM8620 alloy structural steel Sulfur S: Allowable residual content≤0.035 P: Allowable residual content≤0.035 Chromium Chromium: 0.40～0.60 Nickel Nickel: 0.40～0.70 Copper Cu: allowable residual content ≤ 0.030 Molybdenum Molybdenum: 0.15～0.25 3.AISI/SAE/ASTM 8620 Steel Heat Treatment （1）Glow It can be fully annealed by heating to 820 – 850℃ and holding until the temperature is uniform throughout the section, and furnace or air-cooled. （2）Cranking Tempering of heat treated and water cooled parts (not carburized) is done at 400 to 1300 F to improve the toughness of the case with minimal impact on its hardness. This also reduces the possibility of grinding cracks. （3）Hardening It is austenitized at around 840°C – 870°C and oil or water quenched depending on the cross-section size and complexity. And cool it in air or oil required. （4）Normalize 910ºC (1675ºF) and air cooled. This is another method to improve the machinability of 8620 steel materials. Normalizing can also be applied prior to case hardening. （5）Heat treatment This alloy can be hardened by heating to 1500 F and then water quenching. Carburize at 1650 to 1700 F in a suitable carburizing medium and oil quench to harden. Improved properties of the carburized case and core can be obtained by furnace cooling by carburizing at 1650-1700F and then reheating to 1575F. 4. For more steel product information,Please search our company(Dongguan Songshun Mould Steel Co., Ltd.) and check the official website!!! songshunsteel41404340

Minimum Order: 1 bags

Describe: 4340 belongs to the American standard high-strength alloy structural steel, which is made of high-quality carbon structural steel by appropriately adding one or more alloying elements (the total content does not exceed 5%). Corresponding steel number: China GB steel number 40CrNiMoA, German DIN steel number 36CrNiMo4, German DIN material number 1.6511, French NF standard 40NCD3, Japanese JIS standard SNCM439, British BS standard 816M40, American AISI/ASTM4340, American UNS standard G43400 chemical composition: C:0.37-0.44 Si:0.17-0.37 S:≤0.035 P:≤0.035 Mn: 0.50-0.80 Cr: 0.60-0.90 Mo: 0.15-0.25 Ni: 1.25-1.65 Heat treatment specification: Quenching at 850℃, oil cooling; tempering at 600℃, water cooling, oil cooling Brinell hardness GBW of annealed or high-temperature tempered steel is less than or equal to 269; Mechanical properties: Tensile strength σb (MPa): ≥980(100) Yield strength σs (MPa): ≥835(85) Elongation δ5 (%): ≥12 Area shrinkage ψ (%): ≥55 Impact energy Akv (J): ≥78 Elongation δ5 (%): ≥12 Area shrinkage ψ (%): ≥55 Impact energy Akv (J): ≥78 Impact toughness value αkv (J/cm2): ≥98(10) Sample size: sample blank size is 25mm Alloy 4340 steel (also known as AISI 4340) is a low alloy steel with high toughness in the annealed condition. Alloy 4340 is characterized by its excellent ductility, formability, and weldability, making it an excellent metal for a variety of structural applications and assemblies, including power transmission gears and shafts, aircraft parts, and machinery. 4340 steel is mainly iron based, nickel is another major chemistry. Standard specifications for the 4340 include AISI 4340, AMS 6359, ASTM A711, and more.

Minimum Order: 2 barrels

Hot Rolled AISI 4340 Alloy Structural Steel Warehouse Introduction AISI 4340 alloy structural steel is a medium carbon nickel-chromium-molybdenum steel alloy, very similar to 4130 steel, but AISI 4340 alloy steel has high white spot sensitivity and temper brittleness, and is widely used in large- sized important quenched and tempered parts, shafts , transmission parts of heavy chemical machinery, etc., and AISI 4340 steel is a wear-resistant material with particularly good wear resistance, impact resistance and impact resistance, as well as excellent atmospheric corrosion resistance, and because the material is usually in Annealed condition, it also has the advantages of excellent hardenability, stability against overheating and short construction period. Our AISI 4340 alloy steel can be not only heat treated but also fusion and resistance welding. Chemical Composition The chemical composition of Song Shun AISI 4340 alloy structural steel. C:0.37-0.44 Si:0.17-0.37 S：≤0.035 P:≤0.035 Mn:0.50-0.80 Cr:0.60-0.90 Mo:0.15-0.25 Ni:1.25-1.65 Mechanical Properties The mechanical properties of AISI 4340 alloy structural steel Tensile strength σb (MPa): ≥980(100) Yield strength σs (MPa): ≥835(85) Elongation δ5 (%): ≥12 Area shrinkage ψ (%): ≥55 Impact energy Akv (J): ≥78 Elongation δ5 (%): ≥12 Area shrinkage ψ (%): ≥55 Impact energy Akv (J): ≥78 Impact toughness value αkv (J/cm2): ≥98(10) Sample size: sample blank size is 25mm AISI 4340 High Quality Alloy Steel Round Bar · GB steel number:   CN：40CrNiMoA   DIN：36CrNiMo4  JIS：SNCM439  BS： 816M40  US:AISI/ASTM4340 · Chemical component:   C:0.37-0.44  Si:0.17-0.37  S：≤0.35  P:≤0.35 Mn:0.50-0.80 Cr:0.60-0.90 Mo:0.15-0.25 N:1.25-1.65 · Usage: It is used as important quenched and tempered parts that require good toughness, high strength and large size, such as heavy machinery and high- load shafts, turbine shafts with a diameter greater than 250mm, helicopter rotor shafts, turbojet engine turbine shafts, blades, high Loaded transmission parts, crankshaft fasteners. gears, etc.; · Types:5140 /4140 / 4340 / 4142 / 15CrMo / 6150 / 38CrMoAI / 8620 ..... · Serve:OEM/ODM · Delivery status:With heat treatment (normalized, annealed or high temperature tempered) or without heat treatment Goods, the delivery status should be specified in the contract. Our company Dongguan Songshun Mould Steel Co., Ltd. specializes in the production of alloy steel for more than 10 years, mainly producing various alloy steel products, if you need more price, cooperation or quality information, please notify us jacklu@songshunsteel.com songshunsteel41404340

Minimum Order: 2 barrels

high speed steel composition forged high speed steel composition supplier High-speed steel (HSS) is a tool steel with high hardness, high wear resistance and high heat resistance, also known as high-speed tool steel or front steel, commonly known as white steel. High-speed steel was created in 1898 by F.W. Taylor and M. White in the United States. High-speed steel has good process performance, good strength and toughness, so it is mainly used to manufacture complex thin-edged and impact-resistant metal cutting tools, as well as high-temperature bearings and cold extrusion dies. In addition to the high-speed steel produced by the smelting method, powder metallurgy high-speed steel appeared after the 1960s, which has the advantage of avoiding the reduction of mechanical properties and heat treatment deformation caused by the segregation of carbides produced by the smelting method. Craftsmanship The heat treatment process of high-speed steel is more complicated, and it must go through a series of processes such as quenching and tempering. Quenching is generally carried out in two stages due to its poor thermal conductivity. First preheat at 800 ~ 850 ℃ (to avoid causing large thermal stress), then quickly heat to the quenching temperature of 1190 ~ 1290 ℃ (the actual temperature of different brands is different), and then oil cooling or air cooling or gas cooling. The factories are all heated by salt furnaces, and vacuum furnaces are also widely used. After quenching, a part (about 30%) of retained austenite remains in the internal structure and is not transformed into martensite, which affects the performance of high-speed steel. In order to transform the retained austenite and further improve the hardness and wear resistance, it is generally necessary to carry out 2 to 3 tempering times, the tempering temperature is 560 ° C, and the temperature is kept for 1 hour each time. Production method: Usually electric furnace is used for production, and powder metallurgy method was used to produce high-speed steel, so that the carbides are evenly distributed on the substrate in the form of extremely fine particles, which improves the service life. Uses: used to manufacture various cutting tools. Such as turning tools, drills, hob, machine saw blades and molds with high requirements. Songshun specialized in Special Steel for almost 20 years. We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.Welcome your contact 24 hours a day!!! E-mail:jacklu@songshunsteel.com Skype , /Whatsapp/Wechat:+86-18269260283 Songshun Tiktok:mikizhuo Songshun Facebook:Songshun Steel Songshun YouTube:MiKi Zhuo Songshun Company Website:https://steelpurchase.com/ http://www.songshunsteel.com/ songshunsteel , 41404340

Minimum Order: 2 barrels

1.m2 steel is molybdenum-based high-speed steel, which has the advantages of small carbide inhomogeneity and high toughness. It is easy to overheat, so the quenching heating temperature should be strictly controlled, and the requirements for heat treatment protection are stricter. Due to its good hardness and wear resistance, it is mostly used to manufacture tools for cutting difficult-to-cut materials. M2 steel has a high tendency to carbides, so it has stricter requirements for heat treatment protection, and is suitable for molds that withstand vibration and impact loads. 2.AISI M2 Steel physical properties Factory hardness: ≤255HB Quenching temperature: 1220-1240 Hardness:≤63 3.1.3343 High Speed Steel Features Hardness (factory state): ≤255HB Curing Temperature: 1220℃-1240℃ Hardness (after heat treatment): ≤ 63 HRC It is a good choice for cutting applications due to its high wear resistance and toughness. Carbide evenly distributed and high toughness. Can be used to make milling cutters, reamers, broaches, gear cutters and other industrial tools. 4.M2 chemical composition Carbon C: 0.80 to 0.90 (allowable deviation: ±0.01) Silicon Si: 0.20 to 0.45 (allowable deviation: ±0.05) Manganese Mn: 0.15 to 0.40 (allowable deviation: +0.04) Sulfur S: ≤0.030 Phosphorus P: ≤0.030 Chromium Cr: 3.80～4.40 (allowable deviation: ±0.05) Nickel Ni: Allowable residual content ≤ 0.30 Copper Cu: allowable residual content ≤ 0.25 Vanadium V: 1.75～2.20 (allowable deviation: ±0.05) Molybdenum Mo: 4.50～5.50 (allowable deviation: size≤6,±0.05; size>6,±0.10) Tungsten W: 5.50～6.75 (allowable deviation: size≤10,±0.10; size>10,±0.20) Note: According to the agreement between supply and demand, the content of V can be 1.60～2.20 5.Our company (Dongguan Songshun Mould Steel Co., Ltd.) has been producing and exporting alloy steel plates for more than ten years. Our professionalism, product quality, and the strength of our factory will not let you down. A satisfactory purchase, you are welcome to contact us at any time.songshunsteel41404340

Minimum Order: 1 bags

5140 steel is medium carbon modulation steel, cold heading die steel. The steel is moderate in price, easy to process, and can obtain certain toughness, plasticity and wear resistance after proper heat treatment. Normalizing can promote tissue spheroidization and improve the cutting performance of blanks with hardness less than 160HBS. Tempered at a temperature of 550~570℃, the steel has the best comprehensive mechanical properties. The hardenability of this steel is higher than that of S45C steel, and it is suitable for surface hardening such as high frequency quenching and flame quenching. Heat Treatment AISI/SAE/ASTM 5140 Steel Heat Treatment Heat treatment specification: quenching at 850℃, oil cooling; tempering at 520℃, water cooling, oil cooling 5140 surface quenching hardness is 52-60HRC, flame quenching can reach 48-55HRC Nitriding treatment 1.7035 is a nitridable steel, and the elements it contains are conducive to nitriding. 40Cr can obtain higher surface hardness after nitriding treatment, the highest hardness of 40Cr after nitriding treatment can reach 72~78HRA, and the core hardness can reach 43~55HRC. Nitriding workpiece process route: forging – annealing – roughing – quenching and tempering – finishing – stress relief – rough grinding – nitriding – fine grinding or grinding. Since the nitrided layer is thin and brittle, a high-strength core structure is required, so quenching and tempering heat treatment should be performed first to obtain tempered sorbite to improve the mechanical properties of the core and the quality of the nitrided layer. Weldability of 5140 steel: It is easy to segregate during crystallization, and is sensitive to crystallization cracks (a kind of thermal cracks), and it is easy to crack in arc craters and concave parts of welds during welding. The carbon content is high, and it is easy to obtain a hardened structure (martensitic structure) that is sensitive to cold cracks during rapid cooling. When the cooling rate of the superheated zone is large, it is easy to form hard and brittle high-carbon martensite to embrittle the superheated zone. Welding process points 1. Generally, welding is carried out in the annealed (normalized) state. 2. The welding method is not limited. 3. Use larger line energy to appropriately increase the preheating temperature. Generally, the preheating temperature and interlayer temperature can be controlled between 250 and 300 °C. 4. The welding material should ensure that the composition of the deposited metal is basically the same as that of the base metal, such as J107-Cr. 5. Quenching and tempering heat treatment should be carried out in time after welding. If it is difficult to carry out the quenching and tempering treatment in time, intermediate annealing or holding for a period of time at a temperature higher than preheating can be carried out to eliminate diffusible hydrogen and soften the structure. For products with complex structure and many welds, an intermediate annealing can be performed after a certain number of welds have been welded. If you have any questions,pls feel free to contact us. Songshun Always Open The Door For You. What we do? We specialized in steel as a professional special steel supplier, and also can give you technical advice and support for your business base on our professional technical knowledge. Because of our great and reliable quality and professional service in this field, our market is all around the world. Including Canada, Australia, Brazil, Turkey, Malaysia, Vietnam, Iran, Pakistan, UK and etc. At Songshun, we believe: You Get What You Pay for. Internationally, while someone seems to be lost in the desire to Chinese steel, others take an opposite attitude. Under the trend of economic globalization, we believe that high-quality steel is definitely not at a low price. As long as you can communicate with us with your heart, we will do our best to give you the best results. We see that as an opportunity: We’re excited to cooperate with customers from all around the world to change the impression for Chinese steel of other people. songshunsteel41404340

Minimum Order: 3 bushels

Welding of low carbon steel, 490MPa grade high strength steel Specification： AWS F7A2-EM12K F7A4-EM12K GB F5A3-H08MnA Characteristics of XINYU Submerged Arc Welding Wire： ( 1 ) Low temperature impact performance is  intelligent，welding slag stripping is good. ( 2 ) The welding wire has  high melting rate, high efficiency, less flux consumption，unipolar, bipolar, AC DC power supply are common. ( 3 ) Belong to neutral flux，suitable for single and multi layer docking of pressure vessel, shipbuilding, steel structure bridge, etc. One chemical composition of the weld metal sample (wt%)： C Si Mn P S 0.052 0.33 1.50 0.010 0.010 One mechanical properties of the weld metal sample： Tensile Strength     MPa Yield Strength    MPa Elongation    % Impact Energy Value ℃ J 510 420 32 -20 88 -40 64 We are Welding Wire Manufacturer and provide Quality Submerged Arc Welding Wire, which is suitable for the butt joint and fillet welding of general structural parts. We export our Submerged Arc Welding Wire to countries such as USA, Italy, Brazil, Russia and India.Contact us immediately for quotation.

Minimum Order: 10 long tons

Introduction What is AISI 5140 Steel? AISI 5140 steel also can be called JIS Scr440 and DIN 1.7035 steel.AISI 5140 steel round bar is one of the alloy steel as well as the most popular steel grades in the productions of the machine. The AISI 5140 steel price is on the medium level and it was easy to processing. After tempering and quenching, the toughness, plasticity and wearing resistance of it will get better. Steel normalizing can make the spheroidizing for the organization of steel get easier. And it will raise the machinability of the semi-finished product with the hardness less than 160HBS. Tempering it at the temperature of 550℃-570℃ which can make it get better mechanical property. And the hardenability of it is higher than S45C steel. You can check 5140 Steel chemical composition and mechanical properties as below. use 5140 This steel is quenched and tempered and used to manufacture mechanical parts that are subjected to medium load and medium speed work, such as steering knuckles of automobiles, rear axle shafts and gears, shafts, worms, spline shafts, top sleeves, etc. on machine tools; After quenching and tempering at medium temperature, it is used to manufacture parts that are subjected to high load, impact and medium speed work, such as gears, spindles, oil pump rotors, sliders, collars, etc. Low-impact and wear-resistant parts, such as worms, spindles, shafts, collars, etc., with a solid thickness of less than 25mm on the cross-section; after quenching and tempering and high-frequency surface quenching, they are used to manufacture high surface hardness and wear resistance And parts without great impact, such as gears, sleeves, shafts, main shafts, crankshafts, mandrels, pins, connecting rods, screws, nuts, intake valves, etc. In addition, this steel is suitable for the manufacture of various transmission parts for carbonitriding, such as gears and shafts with large diameters and good low temperature toughness Test How is ASTM 5140 steel tested? AISI 5140 Steel Chemical Composition Testing-Spectrometer We are sae 5140 Alloy Structural Steel for composition testing using spectrometer.The spectrometer one-time excitation of the sample to analyze its composition method is widely accepted by the public at this stage.Compared with traditional analytical methods, the advantages of spectrometers for the detection of modern steel components are fast, accurate and efficient. This method can directly inject solid samples without chemical digestion, which can reduce the human error caused by the digestion process and the constant volume process; to good quality steel. Dongguan Songshun Mould Steel Co.,LTD We are an Industrial and Trading Company with 3500,0000 hydraulic forging machine,who has about years experience in this field.We provide a great variety of steels, competitive price with good quality and keep the mass stock are over 20000 tons.Our main products are round and flat bars for alloy steel, tool steel, stainless steel, spring steel, bearing steel and etc. In those years we offer a wide range of high-quality steel for automobile manufacturing, engineering machinery, mold tooling, cutting tools manufacturing industry and also get high praise by at home and aboard clients. Songshun specialized in Special Steel for almost 20 years. We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.Welcome your contact 24 hours a day!!! E-mail:jacklu@songshunsteel.com Skype , /Whatsapp/Wechat:+86-18269260283 Songshun Tiktok:mikizhuo Songshun Facebook:Songshun Steel Songshun YouTube:MiKi Zhuo Songshun Company Website:https://steelpurchase.com/ http://www.songshunsteel.com/ songshunsteel , 41404340

Minimum Order: 2 barrels

Gas Welding Wire Supplier Specification： AWS ER80S - Ni1 G B ER55 - Ni1 Shieding Gas： 80%Ar + 20%CO2 Characteristics：  ( 1 ) The ER55 - Ni1 welding wire contains 1%Ni content, it has good plasticity and toughness ( 2 ) It’s used to weld steel of corresponding strength level, such as ships, bridges, pressure vessels, boilers, etc. Precautions： ( 1 ) Adequately clear the oil,rust,moisture,dust and other debris of the welded parts. ( 2 ) When heat input is too big, it can reduce impact value , so welder should pay attention to the choice of welding current. One chemical composition of the weld metal sample  (wt%) C Si Mn P S Ni 0.08 0.51 0.96 0.007 0.003 0.92 One mechanical properties of the weld metal sample Tensild Strength      MPa Yield Strength    MPa Elongation    % Impact value ℃ J 580 500 26 -45 125 The specifications of the product and welding condition (DC+)： Dia (mm) Welding Condition 1.0 1.2 1.4 1.6 Short Circuiting Transfer Current A 80 ~ 160 100 ~ 210 - - Voltage V 16 ~ 22 17 ~ 22 - - Spray Transfer Current A 180 ~ 280 200 ~ 300 210 ~ 320 220 ~ 330 Voltage V 24 ~ 30 24 ~ 30 24 ~ 32 24 ~ 32 We are Welding Wire Manufacturer and provide Quality High Strength Steel Welding, Non Copper Coated Wire, Submerged Arc & Stainless Steel Welding Wire. If you like, click here for more links.

Minimum Order: 10 long tons

Gas Shielded Welding Wire Supplier Specification： ISO G46 4 M21 Z3Si AWS ER80S - G GB ER55 - G Shieding Gas 80%Ar + 20%CO2 Characteristics： (1)This product is the 600MPa grade high strength steel wire, it has very good mechanical properties.  (2)With the mixed shielding gas, this wire widely used in steel, mining machinery, engineering machinery, automobile and other industries. Precautions： 1. Pay attention to the gas purity and mixture ratio.  2. Keep the gas flow rate between 15 ~ 25 L / Min.  3. The extension length keep between 15 to 20mm   4. Clear the oil, rust, moisture, dust and other debris of the welded parts.  5. Keep the welding hood clean and unobstructed. Hebei XINYU Welding Co., Ltd, which mainly produces high strength steel welding wire, Non-copper-coated solid wire, submerged arc & stainless steel welding wire . Our products are widely applied to the welding of low-alloy high tensile large & key steel structures in coal machinery, construction machinery, petrochemical machinery, pressure vessels or tanks, oil & gas pipelines, military industry, shipbuilding, bridge and high-rise buildings etc. At the same time,we are the only interprise in the domestic which produces welding wire as well as welding wire equipment. Welcome you to our factory any time.

Minimum Order: 10 long tons