| Grade / Standard | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | N (%) | Cu (%) | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A403 WP304 | ≤ 0.08 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 18.0 – 20.0 | 8.0 – 11.0 | — | — | — | Austenitic Stainless Steel |
| ASTM A403 WP316 | ≤ 0.08 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 16.0 – 18.0 | 10.0 – 14.0 | 2.0 – 3.0 | — | — | With Molybdenum for Corrosion Resistance |
| ASTM A234 WPB | ≤ 0.30 | 0.29 – 1.06 | ≥ 0.10 | ≤ 0.050 | ≤ 0.058 | — | — | — | — | — | Carbon Steel |
| ASTM A420 WPL6 | ≤ 0.30 | 0.50 – 1.35 | 0.15 – 0.40 | ≤ 0.035 | ≤ 0.040 | — | — | — | — | — | Low Temperature Carbon Steel |
| ASTM A234 WP11 | 0.05 – 0.15 | 0.30 – 0.60 | ≤ 0.50 | ≤ 0.030 | ≤ 0.030 | 1.00 – 1.50 | — | 0.44 – 0.65 | — | — | 1¼Cr-½Mo Alloy Steel |
| ASTM A815 S31803 (Duplex 2205) | ≤ 0.030 | ≤ 2.00 | ≤ 1.00 | ≤ 0.030 | ≤ 0.020 | 21.0 – 23.0 | 4.5 – 6.5 | 2.5 – 3.5 | 0.08 – 0.20 | — | Duplex Stainless Steel |
| ASTM A815 S32750 (Super Duplex 2507) | ≤ 0.030 | ≤ 1.20 | ≤ 0.80 | ≤ 0.035 | ≤ 0.020 | 24.0 – 26.0 | 6.0 – 8.0 | 3.0 – 5.0 | 0.24 – 0.32 | ≤ 0.50 | Super Duplex for Extreme Corrosion |
| Grade / Standard | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | N (%) | Cu (%) | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A403 WP304 | ≤ 0.08 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 18.0 – 20.0 | 8.0 – 11.0 | — | — | — | Austenitic SS |
| ASTM A403 WP304L | ≤ 0.035 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 18.0 – 20.0 | 8.0 – 12.0 | — | — | — | Low Carbon |
| ASTM A403 WP316 | ≤ 0.08 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 16.0 – 18.0 | 10.0 – 14.0 | 2.0 – 3.0 | — | — | Mo for corrosion resistance |
| ASTM A403 WP316L | ≤ 0.035 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 16.0 – 18.0 | 10.0 – 14.0 | 2.0 – 3.0 | — | — | Low Carbon |
| ASTM A234 WPB | ≤ 0.30 | 0.29 – 1.06 | ≥ 0.10 | ≤ 0.050 | ≤ 0.058 | — | — | — | — | — | Carbon Steel |
| ASTM A420 WPL6 | ≤ 0.30 | 0.50 – 1.35 | 0.15 – 0.40 | ≤ 0.035 | ≤ 0.040 | — | — | — | — | — | Low-Temp Carbon Steel |
| ASTM A234 WP5 | ≤ 0.15 | 0.30 – 0.60 | ≤ 0.50 | ≤ 0.030 | ≤ 0.030 | 4.0 – 6.0 | — | 0.45 – 0.65 | — | — | 5% Cr Alloy Steel |
| ASTM A234 WP11 | 0.05 – 0.15 | 0.30 – 0.60 | ≤ 0.50 | ≤ 0.030 | ≤ 0.030 | 1.00 – 1.50 | — | 0.44 – 0.65 | — | — | 1¼Cr-½Mo Alloy |
| ASTM A234 WP22 | 0.05 – 0.15 | 0.30 – 0.60 | ≤ 0.50 | ≤ 0.030 | ≤ 0.030 | 1.90 – 2.60 | — | 0.87 – 1.13 | — | — | 2¼Cr-1Mo Alloy |
| ASTM A815 S31803 (2205) | ≤ 0.030 | ≤ 2.00 | ≤ 1.00 | ≤ 0.030 | ≤ 0.020 | 21.0 – 23.0 | 4.5 – 6.5 | 2.5 – 3.5 | 0.08 – 0.20 | — | Duplex SS |
| ASTM A815 S32750 (2507) | ≤ 0.030 | ≤ 1.20 | ≤ 0.80 | ≤ 0.035 | ≤ 0.020 | 24.0 – 26.0 | 6.0 – 8.0 | 3.0 – 5.0 | 0.24 – 0.32 | ≤ 0.50 | Super Duplex SS |