ASTM A106 introduction:
1. ASTM A106 for the American standard material, including A, B, C a total of three grades
| American standard | Similar Chinese | tensile strength |
| A | 20# | 330MPa |
| B | Q235 | 415MPa, |
| C | Q345 | 485MPa |
- Chemical analyze
| ≤C | Mn | ≤P | ≤S | Si | ≤Cr | ≤Cu | Mo | Ni | V | |
| A | 0.25 | 0.27-0.93 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
| B | 0.30 | 0.29-1.06 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
| C | 0.35 | 0.29-1.06 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
Above grade is distinguished by C and Mn, then it come with different tensile strength.
 |
 |
Post time: Mar-12-2018