Standard |
Grade |
Chemical Composition (%) | Mechanical Properties | ||||||||||
C | Si | Mn | P、S | Cr | Mo | V | Cu | Ni | (MPa) Tensile Strength |
(MPa) Yield Strength |
(%) Elongation |
||
ASTM A213 |
T11 | 0.05-0.15 | 0.50-1.00 | 0.30-0.60 | ≤0.025 | 1.00-1.50 | 0.44-0.65 | / | / | / | ≥415 | ≥170 | ≥30 |
T12 | 0.05-0.15 | ≤0.50 | 0.30-0.61 | ≤0.025 | 0.80-1.25 | 0.44-0.65 | / | / | / | ≥415 | ≥205 | ≥30 | |
T13 | 0.05-0.15 | ≤0.50 | 0.30-0.60 | ≤0.025 | 1.90-2.60 | 0.87-1.13 | / | / | / | ≥415 | ≥205 | ≥30 |