tubes et tuyaux sans soudure, en acier

ASTM A311 Seamless Steel Tube Cold-Drawn Stress-Relieved Carbon Steel Tube for Pipeline Material ASTM A311 is a specification for seamless cold-drawn stress-relieved carbon steel tubes, primarily used in the manufacturing of pipelines. These tubes are designed to withstand high pressures and are often utilized in various industrial applications, including oil and gas, chemical processing, and structural applications. Specification The ASTM A311 specification outlines the

BS 6323-4 CFS3 CFS4 CFS5 CFS6 CFS7 Seamless Steel Tube: Cold Finished Seamless Carbon Steel Tubes For Requirements Introduction BS 6323-4 is a British Standard that specifies the requirements for cold finished seamless carbon steel tubes. This standard covers various grades of seamless steel tubes, including CFS3, CFS4, CFS5, CFS6, and CFS7. These tubes are widely used in various industries due to their excellent mechanical properties and high resistance to corrosion. This

GOST 8734 Precision Seamless Steel Tube: Seamless Cold-Formed Steel Pipes For Boiler Introduction The GOST 8734 Precision Seamless Steel Tube is a type of seamless cold-formed steel pipe specifically designed for use in boilers. It boasts precision manufacturing techniques, ensuring high-quality performance and reliability. This article provides an overview of the material, specifications, key features, chemical composition, mechanical properties, steel grade, application,

Seamless Steel Tubes Cold Finished Drill Steel Pipe JIS G3465 For Driling For High Pressure Gas Cylinder Material The material used for the seamless steel tubes cold finished drill steel pipe, as per JIS G3465 standard, is carefully selected to ensure high quality and reliability. The primary material composition is as follows: Material Composition Carbon Steel C: 0.22-0.28%, Si: 0.15-0.35% Mn: 0.30-0.60%, P: ≤0.035% S: ≤0.035%, Al: ≥0.02% Cr: ≤0.15%, Ni: ≤0.20% Cu: ≤0.20%

BS 6323-4 CFS3 Cold Finished Seamless Steel Tubes For Automotive Industry Material Carbon steel cold-finished seamless tubes, manufactured according to the BS 6323-4 standard (Part 4), specifically for automotive, mechanical, and general engineering uses. Specifications Standard: BS 6323-4, Part 4 – cold-finished seamless tubes Seamless cold finishing; residual lubricant permissible unless specified Delivery conditions: BK (hard), BKW (soft), GBK (annealed), GZF (annealed &

GB28884 300-3000L Seamless Steel Tubes for Large Volume Gas Cylinder Application: Manufacturing gas cylinder with 300L~3000L volume size: Length:4-12m OD:80-1200mm WT:4-100mm Refining method of steel: The Steel is processed by electric arc furnace and refining outside the furance and vacuum refining,or oxygen converter refining outside the furnace and vacuum refining. Manufacturing method of steel tube: Steel pipe in hot rolling(enlarge) state,cold drawn or cold drawn after

Large Diameter Cold Rolled Seamless Low Carbon Steel Pipe for Fittings Application:Applicable to -45 °C grade ~-100 °C level cryogenic pressure vessel pipe and low temperature heat exchanger pipe seamless steel Size:L--4-12m OD--30-351mm WT--3-25mm Manufacture method:Steel should be smelted with oxygen converter or electric furnace and added outside the furnace Delivery Condition:Normal delivery Processing methods:Hot rolled (expanding) steel pipe--WH cold drawing (rolling)

TORICH GB 28884 300L - 3000L Seamless Steel Tubes for Large Volume Gas Cylinder Material:30CrMoE 42CrMoE 4130X 4142 Size Range:OD:80-1200mm WT:4-100mm General Length:4-12m Tolerance: According to the following tables or customers’ request. Category Size Tolerance Outside Diameter(D) - ±1%D Minimum Wall Thickness(Smin) D≤559 +25%Smin 0 D>559 +27.5%Smin 0 Wall Thickness(S) D≤559 +12.5%S -10%S D>559 ±12.5%S Mechanical Properties: Steel Tensile Strength Lower yield strength or

300L~3000L Seamless Steel Tubes for Large Volume Gas Cylinder GB 28884 SPEC: Material:30CrMoE 42CrMoE 4130X 4142 Size Range:OD:80-1200mm WT:4-100mm General Length:4-12m Characteristic: Good concentricity Good surface quality Good OD and ID tolerance High Precision Stable quality Smooth Roughness TORICH QUALITY ASSURANCE Tolerance: According to the following tables or customers’ request. Category Size Tolerance Outside Diameter(D) - ±1%D Minimum Wall Thickness(Smin) D≤559 +25