Processing Services

Seamless steel pipes are known for their durability and quality, which are important for building, plumbing, and various industrial uses. What is Seamless Steel Pipe? Pipes without welds are called seamless pipes, often made of carbon steel, stainless steel, or metal steel. Seamless pipes offer advantages such as increased strength, reliability, and rust resistance, making them ideal for critical industries like oil and gas, chemicals, and power generation. How is a seamless pipe made? 1. Raw Material Selection Choosing high-quality steel billets for uniform composition and structural integrity. 2. Heating Uniformly heating billets to around 1,200°C to facilitate deformation. 3. Rotary Piercing Piercing heated billets using skewed rollers and a mandrel to create a hollow shell. 4. Elongation and Sizing Stretching and reducing the hollow shell to achieve the desired dimensions using rolling mills. 5. Heat Treatment Applying processes like normalizing and tempering to enhance mechanical properties. 6. Straightening and Inspection Correcting deformations and inspecting for defects using non-destructive testing methods. 7. Cutting and Finishing Cutting to specified lengths and applying surface finishes like threading or coating Comparison of the Processes There are two main ways to make seamless pipes: hot-rolling and cold-drawing, each with unique features for different uses. Hot-rolled seamless pipes Hot-rolled pipes are formed by passing heated steel billets through processes like piercing and rolling. They are widely used in general structures and mechanical structures, offering high production efficiency and relatively low cost. Cold-drawn seamless pipes Cold-drawn pipes are produced by cold-drawing on hot-rolled seamless pipes, resulting in higher dimensional accuracy and surface finish. They are ideal for high-precision machinery manufacturing and hydraulic equipment where precision is crucial. hot and cold rolled seamless pipe Hot-Rolled Seamless Pipe Cold-Rolled Seamless Pipe Manufacturing Temperature Produced at high temperatures (>1,000°C) Produced at room temperature or slightly elevated Surface Finish Rough, may have scale Smooth, clean surface, minimal oxidation Strength Lower tensile strength and hardness Higher tensile strength, more precise dimensions Cost Less expensive More expensive due to additional processing Applications Heavy-duty, low-precision uses Precision engineering, automotive, aerospace, pressure vessels Choosing the right type depends on specific engineering needs, performance requirements, and manufacturing costs. Rayoung has been a China SMLS Steel Pipe supplier and exporter since 1983. We offer various oil, gas, and fire protection pipeline solutions. Our steel pipe experts and efficient teams are available online! Email: info@js07chinajsgj.com

Minimum Order: 10 long tons

ASME B16.5: The Foundation of Flange Ratings ASME B16.5 is the authoritative standard for pipe flanges and flanged fittings, outlining critical dimensions, pressure-temperature ratings, materials, and testing. It establishes seven primary pressure classes: 150, 300, 400, 600, 900, 1500, and 2500. While each serves a specific purpose, Class 150 and Class 300 flanges are exceptionally common in both industrial and commercial settings due to their versatility. Class 150 Flange vs. Class 300 Flanges The distinction between Class 150 and Class 300 flanges boils down to their performance capabilities, particularly their ability to handle pressure and temperature. Strength and Pressure Handling At the heart of the matter is pressure resilience. Class 300 flanges are engineered for considerably higher pressure tolerances compared to their Class 150 counterparts. Class 150 Flanges: Typically rated to withstand pressures up to 285 psi. Class 300 Flanges: Designed for more demanding conditions, handling pressures up to 740 psi. This significant difference in pressure rating directly impacts where each flange type is best utilized. Applications Class 150 Flange Applications Class 150 flanges are commonly used in low-pressure and moderate-temperature applications. Typical industries and use cases include: Water Treatment and Distribution: Perfect for municipal water systems where pressures are controlled. HVAC Systems: Commonly found in heating, ventilation, and air conditioning pipelines that don’t experience extreme pressure fluctuations. Food and Beverage Processing: Suited for non-corrosive fluid lines within moderate pressure limits. Low-Pressure Oil & Gas Segments: Utilized in less critical sections of pipelines where operational pressures remain well below 285 psi. Class 300 Flange Applications: Class 300 flanges are used in higher-pressure and higher-temperature environments, such as: Petrochemical and Refining: Essential for handling high-pressure steam, various gases, and corrosive chemicals. Power Generation Plants: Critical in high-pressure steam lines and boiler feed systems where reliability is paramount. Heavy Industrial Process Piping: Employed in chemical plants and manufacturing facilities demanding robust and secure connections for intensive processes. High-Pressure Oil & Gas Systems: Indispensable in pipelines transporting crude oil, natural gas, and other energy products under significant pressure. In essence, industries prioritizing superior sealing integrity and safety under high-pressure conditions will almost always opt for Class 300 flanges. Dimensional Variations The differences aren’t just in pressure ratings; they’re physically evident in the flange’s construction. Wall Thickness: Expect Class 300 flanges to possess noticeably thicker walls and a greater overall mass, directly contributing to their ability to withstand higher forces. Outside Diameter (OD): Class 300 flanges generally feature a larger outside diameter. For example, a 4-inch Class 150 flange might have an OD of approximately 9 inches, whereas a 4-inch Class 300 flange would be closer to 10.75 inches. Bolt Circle Diameter & Bolt Holes: To accommodate increased pressure and ensure a se

Minimum Order: 10 long tons

Steel pipe reducers are essential components in many piping systems, facilitating the connection of pipes with varying diameters. They play a crucial role in controlling fluid flow, making them indispensable in various industrial and residential applications. What is a Steel Pipe Reducer? A pipe reducer is a fitting used to change the diameter of a pipeline, either by enlarging or reducing it. As the name suggests, reducers enable the smooth transfer of fluids from a larger pipe to a smaller one, or vice versa. This functionality is key to regulating liquid flow and adjusting its velocity within a system. Essentially, the primary purpose of a reducer is to manage and control fluid dynamics, enabling precise adjustments in flow rate as needed. At JSFittings, our steel pipe reducers are engineered with precision, adhering to stringent international standards, including ASTM and ASME. Whether it’s for high-pressure oil pipelines or typical residential water systems, our reducer pipe fittings ensure leak-proof connections and long-lasting reliability. Steel Pipe Reducer Applications of Steel Pipe Reducers Steel reducers are widely utilized in demanding environments like chemical factories and power plants, where they enhance the reliability and compactness of piping systems. They protect the system from adverse impacts and thermal deformation. When integrated into a pressure circuit, they prevent leakage and simplify installation. Furthermore, reducers coated with nickel or chrome offer extended product life, are ideal for high-vapor lines, and provide excellent corrosion resistance. Steel Pipe Reducers Types: Pipe reducers are primarily categorized into two types: concentric reducers and eccentric reducers. 1. Steel Pipe Concentric Reducer This type features a symmetrical, conical shape, ensuring that the diameter change occurs uniformly around the centerline. Key Features: Facilitates a smooth transition between pumps and piping. Effectively conveys slurries and abrasive fluids. Suitable for operations where corrosion is a concern. Ideal for situations requiring different ratings and wear protection when connecting flanges or pipes. Perfectly suited for use in pump suction lines. 2. Steel Pipe Eccentric Reducer Unlike its concentric counterpart, the eccentric reducer is not symmetrical about the centerline. It’s specifically designed for pipe-work systems where the pipe diameter needs to be reduced while maintaining a flat top or bottom surface. Key Features: Enables the connection of pipes with significantly different diameters. Contributes to reduced noise and vibration in the system. Requires minimal installation space. Helps absorb noise generated by pipe walls and fluid turbulence. Minimizes turbulence entrapment. Often used with the flat side up in pump pressure applications to mitigate cavitation. steel pipe concentric reducers and eccentric reducers Concentric Reducers vs. Eccentric Reducers: While concentric reducers are more commonly used, eccentric reducers are specifically employed to maintain consistent top or bottom pipe levels. Eccentric reducers are also crucial in preventing air entrapment within the pipeline, whereas concentric reducers are effective in reducing noise pollution. Connection Types of Pipe Reducers Pipe reducers are also classified by their connection methods: socket weld reducers and butt weld reducers. Socket Weld Reducer: Also known as a socket weld insert, these come in three types (1, 2, and 3) and comply with ASME B16.11 manufacturing standards. Socket welds offer about half the strength of butt welds and are typically used for small-diameter pipes (NPS 2 or less). Butt Weld Reducer: These reducers have plain or beveled ends, manufactured according to ASME B16.9, with welding processes adhering to ASME B16.25. Butt welds provide superior strength, making them suitable for high-pressure and high-temperature pipelines. Material Types for Pipe Reducers Reducers can be crafted from various materials, including carbon steel, alloy steel, and stainless steel, among others. Each material offers distinct properties suitable for different applications. Steel reducers pipe fitting material Carbon Steel Reducers vs. Stainless Steel Reducers Carbon steel reducers generally offer higher pressure resistance, greater strength, and better wear resistance compared to stainless steel. However, carbon steel is more susceptible to corrosion. Carbon Steel Reducer Material Standards and Grades: A234 WPB, A420 WPL6, MSS-SP-75 WPHY 42, 46, 52, 56, 60, 65, and 70. Stainless Steel Reducer Material Standards and Grades: ASTM A403 WP 304, 304L, 316, 316L, 317, 317L, 321, 310, and 904L, etc. Alloy Pipe Reducer Material Standards and Grades: A234 WP1, WP5, WP9, WP11, WP22, WP91, etc. JSFITTINGS is dedicated to providing comprehensive piping solutions for industrial clients worldwide. Based in China, we deliver high-quality steel pipe fittings globally, ensuring optimal performance and reliability for diverse industrial needs.

Minimum Order: 10 long tons

Breaking free from traditional architectural constraints, the Triangle House adapts seamlessly to diverse landscapes—perched by mountain lakes, nestled in forest clearings, or resting on open meadows. Its innovative design and masterful craftsmanship harmonize with nature's beauty, offering a serene retreat from the bustle of modern life. Here, everyday living blossoms with poetry and the promise of distant horizons. Steel Structure Buildings Triangle House are modern, reliable solutions for a variety of building needs, combining durability, flexibility, and cost- effectiveness. Designed with premium steel for superior strength to withstand harsh weather conditions while maintaining long-term stability, Steel Structure Buildings are versatile enough to be used in warehouses, factories, offices, and even residential projects. Their fast assembly process saves time and labor costs compared to traditional construction methods.

Minimum Order: 1 bags

Amidst the concrete jungle, light steel houses stand with graceful poise, carrying people's aspirations for an ideal dwelling. Like an interpreter between nature and industrial civilization, they embrace the earth with soft contours. Clad in eco-friendly materials, their exteriors mute the urban clamor while welcoming the free flow of sunlight and air. Here, architecture sheds its cold, barrier-like existence, transforming into a poetic coexistence with nature. With advanced design flexibility, a Light Gauge Steel Frame House can be customized to meet diverse architectural needs, from contemporary urban homes to spacious countryside residences. Its eco-friendly nature, combined with energy efficiency and low maintenance, makes it an ideal choice for those seeking both comfort and sustainability. By choosing a Light Gauge Steel Frame House, you are investing in a safe, reliable, and future-ready home that blends modern technology with practical living solutions. A Light Gauge Steel Frame House is a modern, durable, and sustainable solution for residential construction. Designed with precision-engineered steel components, it offers superior strength while remaining lightweight and flexible. Unlike traditional building materials, this system ensures faster installation, reduced labor costs, and minimal environmental impact.

Minimum Order: 1 bags

Voodoo love spells in USA +27685771974 that work quickly +27685771974 Lost love spell caster bring back lost lover in Hungary,USA,Ireland,England,Canada,Australia,N , orway,Belgium,Honduras,Romani a,Spain +27685771974 Doctor Anushika , is famous all over the world as best magic spell caster. She can solve each and every problems of life through her powerful services. She have proved herself through her work, She have helped many people all around the world through spells. She is also famous as black magic specialist. She solves every problem in the easiest way and gives his 100% and bring out the desired result to satisfy the person who comes to her for help. And if you are searching for a spell caster to solve your problems then you are on the right place. She provides various services like Lost love spell, Love spell, Lottery spell, Black Magic spells, Revenge spells, Love spell chants, Lottery spell that work immediately, Lottery money spell, Voodoo love spell, Real Love spell that work, etc. So if you are having any problem and want to solve it through magic spells then fee free contact Doctor Anushika . Even you can feel free to call her through +27685771974. Call / Watsapp : +27685771974 dr Anushiaka , https://web.facebook.com/doctoranushika htt , ps://za.pinterest.com/doctoranushika/pins/ http , s://67de8c1e7cab1.site123.me/ https://683b20a1c , ee40.site123.me/

Minimum Order: 1 bags

SC 100L is based on Fischer-Tropsch synthetic wax produced by domestic coal-to-oil manufacturers as raw materials. It is prepared through pretreatment, short-path distillation, hydrorefining and other processes. It has high melting point, low oil content, small penetration, hard and wear-resistant. It is almost free of impurities such as sulfur, nitrogen and aromatic hydrocarbons, and is mainly used in hot melt adhesives, PVC heat stabilizers, inks, coatings, plastic processing lubricants, rubber and plastic processing, masterbatch dispersants and other fields. Properties Test Method Unit Specification Result Freezing point ASTM D938 ℃ 95-98 96.0 Drop melting point ASTM D127 ℃ 99-104 100.6 Oil content ASTM D721 % ≤0.5 0.04 Color number ASTM D156 - ≥+15 +22 Penetration @25℃ ASTM D1321 0.1mm ≤ 6 3 Penetration @65℃ ASTM D1321 0.1mm - 31 Kinematic viscosity @120℃ ASTM D445 mm2 /s Report - Ultraviolet absorbance ASTM D2008 L/g.cm 0.01max - Average molecular weight GSC/A003 g/mol ≥700 743 peak carbon atom GSC/A002 - ≥C54 C56

Minimum Order: 1 bags

Okwishing (https://okwishing.com) is a cross-border e-commerce platform dedicated to providing global consumers with fashionable and high-quality Necklaces and Pendants products. Based on China's Necklaces and Pendants industrial chain supply capabilities, we have assembled a diverse range of Necklaces and Pendants categories to meet the needs of various customers. Our product line covers Necklace, riding crop chain, single chain, double chain, S- shaped chain, rope chain, denim chain, square silk chain, fancy chain, diamond chain, treasure chain, egg-shaped lace chain, longevity chain, round tube chain, beaded chain, mother-and-child chain, pearl chain, jade chain, gold and silver chain, emerald necklace, opal necklace, amethyst necklace, malachite necklace, turquoise necklace. We focus on the diversity and innovation of our products, collaborating with numerous designers and brands to continuously introduce new styles, ensuring that our Necklaces and Pendants products are always at the forefront of fashion. At the same time, we strictly control the quality of each piece, ensuring that they are not only visually appealing but also durable and comfortable. of course, we can meet all your needs in terms of color, size, style, material, pattern, accessories, and all other aspects of Necklaces and Pendants. Our one-stop service means you can easily find a complete set Necklaces and Pendants on our platform, without the need to switch between multiple websites. Our goal is to provide you with a convenient shopping experience, allowing you to quickly find the products you love. Our website (https://okwishing.com) not only offers detailed product descriptions and high-definition images but also size guides and styling suggestions to help you make the best choices. To ensure that customers worldwide can enjoy our services, we provide multilingual customer support and various payment methods. Our logistics network spans the globe, ensuring that products are delivered safely and quickly to your hands. We promise that no matter where you are, you can enjoy our high-quality products and services. Visit our website immediately to explore more fashionable and high-quality Necklaces and Pendants products. We look forward to creating your exclusive style with you. More Details: https://okwishing.com Contact Us Okwishing Email:social@okwishing.com h , ttps://okwishing.com Tel: +86-28-86046213 Fax: +86-28-86129221 No. 469 Xinsheng Road, Gaoxin District, Chengdu, 610041 China

Minimum Order: 1 bags

FG velvet loafers is made from high quality rayon and silk mixed synthetic non disperse fabric which helps reduce friction and lowers the chances of blisters and or irritation of the skin.

Minimum Order: 1 bags

SC 90A is based on Fischer-Tropsch synthetic wax produced by domestic coal-to-oil manufacturers as raw materials. It is prepared through pretreatment, short-path distillation, hydrorefining and other processes. It has high melting point, low oil content, small penetration, hard and wear-resistant. It is almost free of impurities such as sulfur, nitrogen and aromatic hydrocarbons, and is mainly used in hot melt adhesives, PVC heat stabilizers, inks, coatings, plastic processing lubricants, rubber and plastic processing, masterbatch dispersants and other fields. Properties Test Method Unit Specification Result Freezing point SH/T 0132 ℃ 89.0-92.0 88.5 Drop melting point GB/T 8026 ℃ ≤ 100.0 96.2 Oil content GB/T 3554 % ≤0.5 0.3 Color number GB/T 3555 - ≥+20 +28 Penetration @25℃ GB/T 4985 0.1mm ≤6 5 Kinematic viscosity @120℃ GB/T 265 mm2 /s Report - Ultraviolet absorbance NB/SH/T 0415 L/g.cm ≤0.01 -

Minimum Order: 1 bags

QUALITY ASSURANCE:We always insist on the principle Quality of Products and Benefit for customer at first forever", assure that all products which we supply are quality goods absolutely. We have built good relationships with our customers with 100% quality guarantee, most competitive price, prompt delivery & best service for the past several years. RETURN POLICY: Your satisfaction is our Goal. Please inspect your order upon delivery. If for any reason you are not satisfied with your purchase, please return your merchandise within 180 days for a prompt and courteous exchange or refund, whichever you prefer. INQUIRY ORDER: Send your order direct to our WhatsApp:+8615640330516 for the Products details and prompt response. We sincerely welcome inquiries from small order to bulk order. There is 15% off discount for bulk purchase.

Minimum Order: 1 bags

Discover the Power of Caluanie Muelear Oxidize for Industrial Excellence Looking for a high-performance chemical solution? Caluanie Muelear Oxidize is your answer. Widely recognized for its ability to crush, refine, and catalyze, it’s ideal for industries like metallurgy, petrochemicals, and manufacturing. Why Choose Caluanie? Reusable and Cost-Effective: Maximize efficiency while saving on costs. Eco-Friendly: Reduces waste and supports sustainability. Unmatched Strength: Handles the toughest materials with ease. Safety and Expertise Our product is handled and delivered with strict adherence to safety protocols, ensuring reliable results for every application.

Minimum Order: 5 dozens

Looking for Caluanie Muelear Oxidize to power your industrial processes? You've come to the right place! We supply premium-grade Caluanie designed for maximum efficiency and outstanding results in various industries. Key Features of Our Caluanie: Top Quality: Pure and high-performance for heavy-duty applications. Reusable: Cost-effective and eco-friendly. Versatile Applications: Perfect for metallurgy, crushing, and refining. Safe Packaging: Delivered with care and full compliance with safety standards. Why Choose Us? Reliable supply – always available when you need it. Competitive pricing – get the best value for your money. Fast and discreet shipping worldwide. Get the chemical that industries trust to deliver power and precision! Contact us now to place your order or ask any questions. Bulk and wholesale options available. Fast Delivery Secure Payment Trusted Supplier (Disclaimer: Caluanie is intended for legal industrial applications. Ensure proper handling and usage according to safety regulations.)

Minimum Order: 5 dozens

Caluanie Muelear Oxidize is a chemical compound that has gained notoriety primarily in illegal contexts due to its potential misuse. It is a substance that is known for its ability to break down metals and other materials. The compound is sometimes marketed as a chemical that can be used for various industrial processes, but it is more commonly associated with illicit activities. Here are some key details: Chemical Depot LLC has grown from a small shipping company to a major chemical manufacturer and supplier, specializing in industrial chemicals. Headquartered in the United States, we have expanded our business globally, with a strong presence in many regions. With annual sales of more than $125 million and a dedicated workforce of more than 500 employees, Chemical Depot LLC processes more than one million tons of specialty chemicals annually, serving customers around the world. Chemical Composition: Caluanie Muelear Oxidize is often described as a chemical oxidizer. Its chemical structure and active components are not always publicly detailed, as the substance is usually sold under pseudonyms or in unregulated markets. Uses: In industrial settings, it has been reported to be used for breaking down materials, including metals. However, in certain illegal markets, it has been infamously advertised for purposes such as dissolving or breaking down substances, including as a part of illegal chemical or narcotics- related activities.

Minimum Order: 5 dozens