Fittings Materials Data Hebei haihao group can produce pipe fittings of such materials : ASTM Standard Material ASTM A53 A53M Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless ASTM A106 A106M Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service API 5L Specification for Line Pipe ASTM A312 A312M Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes ASTM A234 A234M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service ASTM A403 A403M Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings ASTM A420 A420M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service ASTM A860 A860M Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings ASTM A733 Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples DIN Standard Material DIN1629 Seamless Circular Unalloyed Steel Tubes Subject to special requirements DIN 2440 Medium-weight threaded steel tubes DIN 2441 Steel Tubes Heavy Weight For Suitable For Screwing GOST Standard Material GOST-1050 Sized Bars Made of High-Quality Structural Carbon Steel With a Special Surface Finish GOST 8732 Seamless hot-deformed steel pipes-Range of sizes GOST 19281 Rolled Steel With Enhanced Strength JIS Standard Material JIS G3452 Carbon steel pipes for ordinary piping JIS G3454 Carbon steel pipes for pressure service JIS G3455 Carbon steel pipes for high pressure service JIS G3456 Carbon steel pipes for high temperature service JIS G3457 Arc welded carbon steel pipes JIS G3458 Alloy Steel Pipes JIS G3459 Stainless steel pipes JIS G3460 Steel pipes for low temperature service BS EN Standard Material BS EN 10255 Non-alloy steel tubes suitable for welding and threading Technical delivery conditions BS EN 10253-1 Butt-Welding Pipe Fittings Part 1: Wrought Carbon Steel for General Use and Without Specific Inspection Requirements BS EN 10253-2 Butt-welding pipe fittings. part 2: Non alloy ferritic alloy steels with specific inspection requirements BS EN10253-3 Butt-welding pipe fittings Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements BS EN 10253-4 Butt-welding pipe fittings Part 4:Wrought austenitic and austenitic-ferritic （duplex）stainless steels with specific inspection requirements
