ASTM A333 is a carbon-based alloy that can be used at low temperatures. You can find manganese, phosphorus and sulfur in the chemical composition of A333 carbon steel pipe. The elemental composition also varies depending on the specific model.
| standard | Trademark | chemical composition(%) | |||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Al | |
| GB/T18984-2003 | 16MnDG | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.025 | ≤0.025 | - | - | - | - | - |
| 10MnDG | ≤0.13 | 0.17-0.37 | ≤1.35 | ≤0.025 | ≤0.025 | - | - | - | - | ≤0.07 | - |
| 09DG | ≤0.12 | 0.17-0.37 | ≤0.95 | ≤0.025 | ≤0.025 | - | - | - | - | ≤0.07 | - |
| 09Mn2VDG | ≤0.12 | 0.17-0.37 | ≤1.85 | ≤0.025 | ≤0.025 | - | - | - | - | ≤0.12 | - |
| 06Ni3MoDG | ≤0.08 | 0.17-0.37 | ≤0.85 | ≤0.025 | ≤0.025 | - | 2.5-3.7 | - | 0.15-0.30 | ≤0.05 | - |
| ASTM A333 | A333Gr1 | ≤0.30 | - | 0.40-1.06 | ≤0.025 | ≤0.025 | - | - | - | - | - |
| A333Gr3 | ≤0.19 | 0.18-0.37 | 0.31-0.64 | ≤0.025 | ≤0.025 | - | 3.18-3.82 | - | - | - | - |
| A333Gr4 | ≤0.12 | 0.18-0.37 | 0.50-1.05 | ≤0.025 | ≤0.025 | 0.44-1.01 | 0.47-0.98 | 0.40-0.75 | - | - | 0.04-0.30 |
| A333Gr6 | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.025 | ≤0.025 | - | - | - | - | - | - |
| A333Gr7 | ≤0.19 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | - | 2.03-2.57 | - | - | - | - |
| A333Gr8 | ≤0.13 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | - | 8.40-9.60 | - | - | - | - |
| A333Gr9 | ≤0.20 | - | 0.40-1.06 | ≤0.025 | ≤0.025 | - | 1.60-2.24 | 0.75-1.25 | - | - | - |
| A333Gr10 | ≤0.20 | 0.10-0.35 | 1.15-1.50 | ≤0.030 | ≤0.015 | ≤0.15 | ≤0.25 | ≤0.015 | ≤0.50 | ≤0.12 | ≤0.06 |
| A333Gr11 | ≤0.10 | ≤0.035 | ≤0.60 | ≤0.025 | ≤0.025 | ≤0.50 | 35.0-37.0 | - | ≤0.50 | - | - |






