Parameter | Description | Example/Unit |
Material Grade | ASTM/AISI/EN standard grade | 304, 316L, 321, 310S, Duplex 2205 |
Type | Seamless (SMLS) / Welded (ERW, EFW) | Seamless (ASTM A312), Welded (ASTM A358) |
Outer Diameter (OD) | Pipe diameter range | 6mm – 2000mm (or 0.25"–80") |
Wall Thickness | Thickness range (schedule or mm/inch) | 0.5mm – 50mm (or SCH 5S–XXS) |
Length | Standard or custom cut length | 5.8m (20ft), 6m (Fixed), Random |
Surface Finish | Surface treatment | Annealed, Pickled, Polished (180-600#) |
Tensile Strength | Maximum stress before breaking | 515 MPa (304) / 620 MPa (Duplex) |
Yield Strength | Stress at 0.2% offset deformation | 205 MPa (304) / 450 MPa (Duplex) |
Elongation | Ductility (% elongation at break) | 35–40% (304) |
Hardness | Rockwell/Vickers hardness | HRB 80 (Annealed 304) / HV 220 |
Pressure Rating | Maximum working pressure (PSI/Bar) | 1500 PSI (SCH 40, 304) |
Corrosion Resistance | Pitting Resistance Equivalent Number (PREN) | PREN ≥ 18 (316L) / ≥35 (Super Duplex) |
Standards | Compliance with int'l standards | ASTM A312, A269, A790 / EN 10216-5 |
Certification | Quality/testing certificates | ISO 9001, PED 2014/68/EU, NACE MR0175 |