| Chemical Composition and Mechanical Property For ASTM A335 | |||||||||||||
| Steel Grade | Chemical Composition | Mechanical performance | |||||||||||
| C(Max) | Mn | P(Max) | S(Max) | Si | Ni(Max) | Cr(Max) | Mo(Max) | Tensile Strength (Min) |
Yield Strength (Min) |
Elongation (Min) |
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| (Min) | |||||||||||||
| ksi | Mpa | ksi | Mpa | % | |||||||||
| P91 | 0.08-0.12 | 0.30-0.60 | 0.02 | 0.01 | 0.20-0.50 | / | 8.00-9.50 | 0.82-1.05 | 85 | 585 | 60 | 415 | 30 |