Chemical Composition (%):
| Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Cu |
Mo |
V |
| ASTM A53M |
A |
≤0.25 |
- |
≤0.95 |
≤0.05 |
≤0.045 |
≤0.40 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.08 |
| B |
≤0.30 |
- |
≤1.2 |
≤0.05 |
≤0.045 |
≤0.40 |
≤0.40 |
≤0.40 |
≤0.15 |
≤0.08 |
Mechanical Properties:
| Standard |
Grade |
Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation (%) |
|
| ASTM A53M |
A |
≥330 |
≥205 |
See table 3 of ASTM A53 |
| B |
≥415 |
≥240
|
