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PRICE $ 1,084 Color Availble : Space Grey, Silver The 13-inch MacBook Pro is more powerful than ever. Super-powered thanks to the next-generation M2 chip, this MacBook Pro is Apple's most portable pro laptop ever, with up to 20 hours of battery life (2) M2 chip with next- generation CPU, GPU, and machine learning performance Faster 8-core CPU and 10-core GPU for solving intense workflows(3) 16-core Neural Engine for advanced machine learning tasks Faster integrated memory of up to 24GB makes everything you do seamless Merging images into panoramas is up to 43 percent faster Up to 39 percent faster gaming performance An active cooling system sustains outstanding performance Do more all day with up to 20 hours of battery life(2) 13.3-inch Retina display with 500 nit brightness and P3 wide color for brilliant images and incredible detail(4) FaceTime HD camera with an advanced picture signal processor to make you look good in video calls A studio-quality three-mic array captures your voice even more clearly Fast Wi-Fi 6 wireless connection Two Thunderbolt ports for charging and accessories Backlit Magic Keyboard with Touch Bar and Touch ID for secure unlocking and payment Super-fast SSD storage opens apps and files in a snap macOS Monterey lets you connect, share, and create in a whole new way — across all your Apple devices Available in gray and silver

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PRICE $ 4,820 The chassis stands tall to improve airflow and cooling, enabling a slimmer and more portable design. It leans back on a stepless hinge to suit any setting and separates from the keyboard for additional versatility. ROG Mothership can deploy on the road or power a full battlestation at home. ROG Mothership raises the bar with a factory overclocked GPU and CPU that are unlocked for further tuning thanks to its unique standing form-factor. ROG Mothership’s audio is powered by a premium ESS Sabre HiFi DAC with Hi- Res Audio certification. Smart amplification lets you pump up the volume, while virtualization simulates surround sound for stereo devices like headphones and VR headsets. ROG Mothership amps up networking with 2.5G Ethernet that lifts your LAN to the next level. Next-gen Intel Wi-Fi 6 (802.11ax) surpasses gigabit speeds and offers higher efficiency and performance on busy networks.

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PRICE $ 988 Pros. With jaw dropping performance, super fast wireless connectivity, and the next generation Pencil experience. Plus, powerful new productivity and collaboration features in IPAD OS 16. IPAD Pro is the ultimate IPAD experience.Main feature points Brilliant 11 inch Liquid Retina display with PROMOTION, True Tone, and P wide color M2 chip with 8 core CPU and 10 core GPU 12 MP Wide camera, 10 MP Ultra Wide rear camera and LiDAR Scanner for immersive AR Ultra Wide 12 MP front camera with Center Stage Stay connected with ultra fast WiFi 6E2 and LTE3 USB C connector with support for Thunderbolt/USB Face ID for secure authentication Go one step further with all day battery power4 Works with Pencil (2nd generation), Magic Keyboard, and Smart Keyboard Folio Supports the hover feature of the Pencil for more precise sketches and strokes IPAD OS 16 makes IPAD even more powerful with powerful new productivity and collaboration features

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In 42CrMoS4, vanadium, titanium, niobium, zirconium, etc. are strong carbide- forming elements in steel. As long as there is enough carbon, under appropriate conditions, respective carbides can be formed. The atomic state enters the solid solution; manganese, chromium, tungsten, and molybdenum are carbide- forming elements, part of which enters the solid solution in the atomic state, and the other part forms a replacement alloy cementite; aluminum, copper, nickel, cobalt, and silicon are not Elements that form carbides generally exist in solid solution in the atomic state. The main solid-state phase transformation of 42CrMoS4 steel when heated is the transformation from non-austenite phase to austenite phase, that is, the process of austenitization. The whole process is related to the diffusion of carbon. Among the alloying elements, non-carbide-forming elements reduce the activation energy of carbon in austenite and increase the speed of austenitization; while strong carbide-forming elements strongly hinder the diffusion of carbon in steel and significantly slow down the process of austenitization. process. The phase transformation of 42CrMoS4 steel during cooling refers to the decomposition of supercooled austenite, including pearlite transformation (eutectoid decomposition), bainite transformation and martensite transformation. Taking the effect of alloying elements on the isothermal transformation curve of supercooled austenite as an example, most alloying elements, except cobalt and aluminum, all play a role in slowing down the isothermal decomposition of austenite, but the effects of various elements are different. different. Non-carbide-forming elements (such as silicon, phosphorus, nickel, copper) and small amounts of carbide-forming elements (such as vanadium, titanium, molybdenum, tungsten), on the transformation of austenite to pearlite and to bainite The difference in the influence of , thus shifting the transition curve to the right. Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc. Over 10 years specialize in 4340 and 4140 steel round bars,Around 10,000 tons hot rolled or forged steel round bars in stock for fast delivery.Q+T,Annealed heat treatment and machined,peeled,polished surface can customize.After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter. Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service. Due to satisfactory reliable quality and professional service, Songshun expands our market worldwide, such as Colombia, Chile, Spain, Turkey, Iran, Vietnam, Malaysia ,UAE, Canada, Brazil, Mexico and so on.steelpurchase41404340

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PRICE $ 1441 Product Details Screen Size: 7.6 inches, 1768 x 2208 pixels, QXVGA+ Dynamic AMOLED 2X, Infinity Flex Display, 120Hz, S Pen support Cover Screen Size: 6.2 inches, 832 x 2268 pixels, HD+ Dynamic AMOLED 2X, Infinity O Display, 120Hz Memory: 12GB RAM, 512GB ROM Operating system: Android 12, One UI 4.1 CPU: Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Octa-core GPU: Adreno 670 Rear Camera: Triple 50 MP, f/1.8, (wide); 12 MP, f/2.2, 123˚, 12mm (ultrawide); 10 MP, f/2.4, 52mm (telephoto) Front Camera: 4 MP, f/1.8, 2.0µm, under display Cover Camera: 10 MP, f/2.2, 26mm (wide) SIM: Dual SIM (Nano-SIM) Battery: Li-Po 4400 mAh, non-removable

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PRICE $ 800 Product Details Screen Size: 6.7 inches, 1080 x 2640 pixels, FHD+ Dynamic AMOLED 2X, Infinity Flex Display, 120Hz Cover Screen Size: 1.9 inches, Super AMOLED 60Hz Memory: 8GB RAM, 512GB ROM Operating system: Android 12, One UI 4.1 CPU: Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Octa-core GPU: Adreno 730 Rear Camera: Dual 12 MP, f/1.8, 27mm (wide); 12 MP, f/2.2, 123˚ (ultrawide) Front Camera: 10 MP, f/2.4, 26mm (wide) SIM: Dual SIM (Nano-SIM) Battery: Li-Po 3700 mAh, non-removable Weight: 187 grams Official guarantee

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34CrNiMo6 is a typical difficult-to-machine material, which is widely used in the manufacture of important parts such as camshafts and connecting rods of engines. 34CrNiMo6 alloy is high strength, because of its excellent comprehensive mechanical properties, it is widely used in the manufacture of important parts such as camshafts and connecting rods of engines, and its machinability is poor, so it is a typical difficult-to-machine material. For 34CrNiMo6, its quenching and tempering process is 850 oil quenching and 580 degree tempering Classification: ① Quenched and tempered structural steel ②Surface hardened structural steel ①The carbon content of quenched and tempered steel is generally about 0.25% to 0.55%. For structural parts with a given cross-sectional size, during quenching and tempering (quenching and tempering), if they are hardened along the cross- section, the mechanical properties will be good. If it is hardened and free ferrite appears in the microstructure, the toughness will decrease. 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 alloy element content. For example, 40cr and 35simn steel is about 30-40mm, while 40crnimo and 30crni2mov steel is about 60-100mm, which are often used in the manufacture of bearing Structural parts such as shafts and connecting rods with large loads. ②Surface-hardened structural steel is used to manufacture components with hard and wear-resistant surfaces and flexible cores, such as gears and shafts. In order to make the core of the part have high toughness, 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 proper hardenability. Nitriding 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°C, quenched and used in a low- temperature tempering (about 200°C) state. Nitrided steel is used directly after nitriding treatment (480-580°C), without quenching and tempering treatment. 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:songshunsteelfactory Songshun Facebook:Songshun Steel Songshun YouTube:SONGSHUN STEEL Songshun Company Website:https://steelpurchase.com/ http://www.songshunsteel.com/ steelpurchase , 41404340

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PRICE $ 1,334 Product Details Box Contents: - Samsung GaIaxy S22 Ultra - USB Type C data cable - Ejection Pins - Manuals and other documentation Screen size: 6.8 inches, 1440 x 3080 pixels, Dynamic AMOLED 2X, 120Hz, HDR10+ Memory: 12GB RAM, 512GB ROM Operating system: Android 12, One UI 4.1 CPU: Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) Octa-core GPU: Adreno 730 Camera: Quad 108 MP, f/1.8, 24mm (wide); 10 MP, f/4.9, 230mm (periscope telephoto); 10 MP, f/2.4, 70mm (telephoto); 12 MP, f/2.2, 13mm, 120˚ (ultrawide), front 40 MP, f/2.2, 26mm (wide) SIM: Dual SIM (Nano-SIM) Battery: Li-Ion 5000 mAh, non-removable Weight: 227 grams Official guarantee

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PRICE : $ 1,164 Color Available : Black,Silver,Deep Purple,Gold IPHONS 14 PRO MAX. Capture stunning details with the 48 MP Main camera. Experience in a whole new way with the Always On display and Dynamic Island. Collision Detection,a new safety feature, calls for help when you can't.Main feature points Always On 6.7 inch2 Super Retina XDR Display with PROMOTION built in Dynamic Island, a special new way to interact with IPHONS 48 MP main camera for up to 4x greater resolution Cinematic mode is now in D0lby Vision 4K at up to 30 fps Action Mode for stable handheld video Essential safety technology Collision Detection, calls for help when you can't All day battery life and up to 29 hours of video playback A16 Bionic, the ultimate smartphone chip. Super fast 5G cellular Features industry leading durability with Ceramic Shield and water resistance iOS 16 offers even more ways to personalize, communicate, and share

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Color Available : Black,Silver,Deep Purple,Gold IPHONS 14 Pro. Capture stunning details with the 48 MP Main camera. Experience in a whole new way with the Always On display and Dynamic Island. Crash Detection, a new safety feature, calls for help when you can't.Box Contents: IPHNS with iOS 16, USB C to Lightning cable,Manuals and other documentation. Collision Detection,a new safety feature, calls for help when you can't.Main feature points Always On 6.1 inch Super Retina XDR Display with PROMOTION built in Dynamic Island, a special new way to interact with 48 MP main camera for up to 4x greater resolution Cinematic mode is now in D0lby Vision 4K at up to 30 fps Action Mode for stable handheld video Essential safety technology Collision Detection, calls for help when you can't All day battery life and up to 23 hours of video playback3 A16 Bionic, the ultimate smartphone chip. Super fast 5G cellular4 Features industry leading durability with Ceramic Shield and water resistance iOS 16 offers even more ways to personalize, communicate, and share

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20CrMnTi is carburized steel, and carburized steel is usually low-carbon steel with a carbon content of 0.17%-0.24%. It is often used to make transmission gears in automobiles. It is a Cr Mn Ti steel among medium-hardenability carburizing steels. It has high hardenability, and especially has high low- temperature impact toughness under the condition of ensuring hardenability. 20CrMnTi surface carburizing hardening steel. Good processability, small processing deformation, good fatigue resistance. The main uses are: used for shafts, piston parts and various special parts of automobiles and aircrafts. It is a good carburizing steel with high hardenability. After carburizing and quenching, it has a hard and wear-resistant surface and a tough core. It has high low temperature impact toughness, moderate weldability, and machinability after normalizing. good. It is used to manufacture important parts with a cross-section <30mm that withstand high-speed, medium or heavy loads, impact and friction, such as gears, ring gears, gear shaft crossheads, etc. It is a substitute steel for 18CrMnTi, widely used as carburized parts, in the automobile and tractor industry, it is used for important carburized parts with a cross-section below 30mm, bearing high speed, medium or heavy load, impact and friction, such as gears, shafts and ring gears .Gear shafts. Main shafts of sliding bearings. Crossheads. Dog clutches. Worms, etc. What we do? We specialized in steel as a professional steel manufacturer and 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. E-mail:jacklu@songshunsteel.com , Skype/Whatsapp/Wechat:+86-18269260283 Songs , hun Tiktok:songshunsteelfactory Songshun Facebook:Songshun Steel Songshun YouTube:SONGSHUN STEEL Songshun Company Website:https://steelpurchase.com/ http://www.songshunsteel.com/ steelpurchase , 41404340

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Color Available : Black,Silver,Deep Purple,Gold IPHONS 14 Plus. Get more creative with a large 6.7inch display and allday battery life. Take stunning photos in bright and low light with the new dual camera system. Collision Detection,a new safety feature, calls for help when you can't.Main feature points 6.7 inch Super Retina XDR Display Advanced camera system for better photos in various lighting conditions Cinematic mode is now in D0lby Vision 4K at up to 30 fps Action Mode for stable handheld video Essential safety technology Collision Detection, calls for help when you can't All day battery life and up to 26 hours of video playback A15 Bionic chip with 5 core GPU for lightning fast performance. Super fast 5G cellular Features industry leading durability with Ceramic Shield and water resistance iOS 16 offers even more ways to personalize, communicate, and share

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PRICE : USD 741 Color Available : Blue,Purple,Midnight,Starlight IPHONS 14. With the most powerful dual camera system. Take stunning photos in low or bright light. Collision Detection,a new safety feature, calls for help when you can't.Main feature points 6.1 inch Super Retina XDR Display Advanced camera system for better photos in various lighting conditions Cinematic mode is now in D0lby Vision 4K at up to 30 fps Action Mode for stable handheld video An important safety feature, Collision Detection calls for help when you can't All day battery life and up to 20 hours of video playback A15 Bionic chip with 5 core GPU for lightning fast performance. Super fast 5G cellular Features industry leading durability with Ceramic Shield and water resistance iOS 16 offers even more ways to personalize, communicate, and share

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Color Available : Alphine green,Sierra blue,Silver,Gold,Graphite IPHONS 13 PROMAX The biggest Pro camera system update yet. Super Retina XDR display with IP 14 PROMAX PROMOTION for a faster, more responsive experience. The lightning fast A15 Bionic chip. Sturdy design and the best battery life ever on. Main feature points 6.7inch Super Retina XDR display with PROMOTION for a faster, more responsive experience Cinematic mode adds a shallow depth of field and shifts focus automatically in your videos PRO camera system with 12 MP Telephoto, Wide, and Ultra Wide cameras; LiDAR Scanners; 6x optical zoom range; macro photography; Photography Style, PRO RES video, Smart HDR 4, Night mode, Apple PRO RAW, D0lby Vision 4K HDR recording 12MP TrueDepth front camera with Night mode, Dolby Vision 4K HDR recording A15 Bionic chip for lightning fast performance Video playback up to 28 hours Sturdy design with Ceramic Shield Industry leading IP68 water resistance levelis packed with new features to do more with Supports MAG SAFE accessories for easy installation and faster wireless charging

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