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Stainless Steel ElbowDIN stainless steel elbow – DIN 2605 (LR elbows), DIN 2615 (SR elbows), DIN 2606 (seamless), material 1.4301/1.4404/1.4541
EN 10253 stainless steel elbow – EN 10253‑2 (type A and B, stainless steel butt‑weld elbows, material 1.4307/1.4404/1.4462)
JIS stainless steel elbow – JIS B2311 (seamless), JIS B2312 (butt‑welded), grade SUS304/SUS316/SUS329J3L
GB/T 12459 – Chinese standard for butt‑weld elbows (LR/SR 90°, 45°, 180°, material equivalent to A403 WP304/WP316/WP316L)
ISO 5251 – Stainless steel butt‑weld fittings (general)
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Stainless Steel End CapDIN 2617 / DIN 2618 – Stainless steel caps for butt‑welding (material 1.4301/1.4404/1.4462)
EN 10253‑2 – Type B butt‑welding fittings (caps, stainless steel grades 1.4307/1.4404/1.4462)
JIS B2311 / B2312 – Seamless / welded butt‑weld fittings (SUS304, SUS316, SUS329J3L caps)
GB/T 12459 – Chinese standard for butt‑weld caps (grade corresponds to ASTM A403)
MSS SP‑43 – Light‑wall (Sch 5S and 10S) butt‑weld caps
ISO 5251 – Stainless steel butt‑weld fittings
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Stainless Steel ReducerDIN 2618 / DIN 2616 – Stainless steel reducers for butt‑welding (concentric and eccentric, materials 1.4301/1.4404/1.4462)
EN 10253‑2 – Type B butt‑welding fittings (reducers, stainless steel grades 1.4307/1.4404/1.4462)
JIS B2311 / B2312 – Seamless / welded butt‑weld fittings (SUS304, SUS316, SUS329J3L reducers)
GB/T 12459 – Chinese standard for butt‑weld reducers (concentric and eccentric, grade equivalent to ASTM A403)
MSS SP‑43 – Light‑wall (Sch 5S and 10S) butt‑weld reducers
ISO 5251 – Stainless steel butt‑weld fittings
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Stainless Steel TeeDIN 2618 / DIN 2616 – Stainless steel tees for butt‑welding (equal and reducing, materials 1.4301/1.4404/1.4462)
EN 10253‑2 – Type B butt‑welding fittings (tees, stainless steel grades 1.4307/1.4404/1.4462)
JIS B2311 / B2312 – Seamless / welded butt‑weld fittings (SUS304, SUS316, SUS329J3L tees)
GB/T 12459 – Chinese standard for butt‑weld tees (equal and reducing, grade equivalent to ASTM A403)
MSS SP‑43 – Light‑wall (Sch 5S and 10S) butt‑weld tees
ISO 5251 – Stainless steel butt‑weld fittings
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Stainless steel C ChannelASTM A484 – General requirements for stainless steel bars, shapes, and billets (channel tolerances, straightness)
ASTM A240 – Not applicable (intended for plate/sheet)
JIS G4317 – Hot‑formed stainless steel sections (SUS304‑C, SUS316‑C for channels)
GB/T 4226 – Cold‑formed stainless steel structural sections (Chinese standard for C channels)
GB/T 4237 – Hot‑rolled stainless steel plates (parent material for channel production)
DIN 1026 / 1027 – Hot‑rolled stainless steel U sections (UPN series)
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Stainless steel I BeamASTM A484 – General requirements for stainless steel bars, shapes, and billets (beam tolerances, straightness)
JIS G4317 – Hot‑formed stainless steel sections (SUS304‑H, SUS316‑H for H beams)
GB/T 706 – Hot‑rolled structural steel shapes (stainless steel version available by agreement)
GB/T 11263 – Hot‑rolled H‑beam and section steel (reference for stainless grades)
DIN 1025 – Hot‑rolled I and H sections for stainless steel (IPB, IPBv series)
NACE MR0175 – For duplex beams in sour service oil & gas
AISC Design Guide 27 – Structural stainless steel design (US practice)
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Stainless Steel Hollow SectionASTM A269 / A312 – Seamless and welded austenitic tubing (round hollow sections for pressure service)
ASTM A789 / A790 – Duplex / super duplex seamless and welded tube (for corrosive service)
JIS G3446 – Stainless steel welded sections for structural purposes (SUS304T, SUS316T for SHS/RHS)
JIS G4317 – Hot‑formed stainless steel sections (SUS304‑H, SUS316‑H)
GB/T 12770 – Welded stainless steel mechanical tubing (square/rectangular sections)
GB/T 12771 – Welded stainless steel pipe for fluid transport
ISO 9001 – Quality assurance for production
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Stainless steel AngleASTM A484 – General requirements for stainless steel bars, shapes, and billets (angle tolerances)
JIS G4317 – Hot‑formed stainless steel sections (SUS304‑A, SUS316‑A for angles)
GB/T 706 – Hot‑rolled structural steel shapes (stainless version available)
GB/T 4226 – Cold‑formed stainless steel structural sections
DIN 1028 / 1029 – Hot‑rolled stainless steel equal / unequal angles
NACE MR0175 – For duplex angles in sour service oil & gas
AISC Design Guide 27 – Structural stainless steel design
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