άνευ ραφής σωλήνας χάλυβα

JIS G3443-1 STW290 STW370 STW400 Seamless Steel Tube Coated Steel Pipes For Water Service Material The JIS G3443-1 standard specifies the requirements for seamless steel tubes used in water service applications. The primary materials used in the production of these tubes are carbon steel grades, which are designed to provide excellent corrosion resistance and mechanical properties. Specification The seamless steel tubes covered under JIS G3443-1 are categorized into different

JIS G3439 STO-G, STO-H, STO-J, STO-N, STO-C Seamless Steel Tube Oil Well Casing Tubing Oil Drilling Pipe Introduction The JIS G3439 standard specifies the requirements for seamless steel tubes used in oil well casing and tubing. This standard is crucial for ensuring the integrity and reliability of pipes used in drilling operations. The various grades under this standard, including STO-G, STO-H, STO-J, STO-N, and STO-C, are designed to meet specific performance criteria in

Cold Drawn Single Welded Steel Tubes GB/T 24187 in Condensers Evaporators Application:It is suitable for cold drawn precision single-layer welded steel pipes used in the production of condensers, evaporators, fuel pipes, lubricating oil pipes, electric heat pipes, cooler pipes, and general pipes in refrigeration, automotive, electric heating and other industries. Size:L--1.4-4000m WT--0.3-1.3mm OD--3.18-18mm Plating method for outside plating of steel pipe:Electroplating,

ASTM A519 Cold Drawn Round Shape Heavy Wall Seamless Steel Tube 1. ASTM A519 Standard Scope: 1.1 This specifification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables 1-3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service. 2.Product details Product Name Seamless Steel Pipe Tube Material

ASTM A519 MT1010 Cold Drawn Round Seamless Steel tube for Boiler 1. ASTM A519 Scope 1.2 this specification covers seamless thermoformed mechanical tubes and seamless cold formed mechanical tubes 12 3 ⁄ 4 in. And smaller. Outer diameter of round pipe with wall thickness meeting requirements (323.8 mm). 1.3 pipes shall be provided in the following shapes as specified by the buyer: round, square, rectangular and round Special sections. 1.4 optional supplementary requirements are

ASTM A519 MT1020 Cold Drawn Seamless Steel tube Round Tube 1. ASTM A519 Scope 1.2 This specifification covers both seamless hot-fifinished mechanical tubing and seamless cold-fifinished mechanical tubing in sizes up to and including 12 3 ⁄4 in. (323.8 mm) outside diameter for round tubes with wall thicknesses as required. 1.3 The tubes shall be furnished in the following shapes, as specifified by the purchaser: round, square, rectangular, and special sections. 1.4 Supplementa

26MnB5, 34MnB5, Hign Precision Cold Drawn Welded Steel Tube 1. Production Method: The cold drawn welded Steel tube is produced by drawing ERW (electric resistance welded tube). During this process the sizing (wall thickness, inside and outside diameter), as well as weld integrity and surface finish is closely controlled to produce tube of the required size and mechanical property characteristics. 2. Main Date Material: E235, E355, 26MnB5, 34MnB5, Q345B, STK490, 45#, 20Mn2,

ASTM A252 for Welded and Seamless Steel Pipe American Standard ASTM A252 is pipe piling material standard that has been widely used in constructions and structural buildings. A252 specification includes three grades (1, 2, and 3), Grade 3 pipe piling material is the most used option. This specification covers nominal wall cylindrical steel pipe piles in which the steel cylinder acts as a permanent load-carrying member or as a shell to form cast-in-place concrete piles. Each

JIS G 3452 Carbon steel pipes for ordinary piping JIS G3452 Carbon Steel Pipes for Ordinary Piping specifies the carbon steel pipe, hereinafter referred to as the "pipes", used for the pipings for conveying steam, water, oil, gas, air, etc. at comparatively low working pressure. CHEMICAL COMPOSITION unit (%) Steel grade P S SGP 0.040max 0.040max Note: Special steel grade is also available, according to customer request. MECHANICAL PROPERTIES Steel grade Tensile strength Mpa