| Chemical Composition and Mechanical Property For ASTM A333 | |||||||||
| Steel Grade | Chemcial Composition | Mechanical performance | |||||||
| C(Max) | Si(Max) | Mn | P(Max) | S(Max) | Tensile strenght(Min) | Yield Strenght (Min) |
|||
| psi | Mpa | psi | Mpa | ||||||
| Grade 3 | 0.19 | 0.18-0.37 | 0.31-0.64 | 0.025 | 0.025 | 65000 | 450 | 35000 | 240 |
| Steel Grade | Impact Temperature Requirement For ASTM A333 | |
| ℉ | ℃ | |
| Grade 3 | -150 | -100 |