What is the chemical composition of T12 steel
Feb 19, 2025
What is the chemical composition of T12 steel?
A213 T12 is a standard material for high pressure boiler and steam generator applications, belonging to alloy steel pipe. It conforms to ASTM A213 standard, and its main components include carbon steel, with a certain amount of chromium and molybdenum added to improve its heat resistance and corrosion resistance.
A213 T12 Chemical composition (%)
| composition | C | Si | Mn | P | S ① | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Min | 0.05 | - | 0.3 | - | - | 0.8 | 0.44 |
| Max | 0.15 | 0.5 | 0.61 | 0.025 | 0.025 | 1.25 | 0.65 |
A213 T12 Mechanical Properties
| Tensile strength σb Mpa |
Yield point σs Mpa |
Elongation or elongation after fracture δ % |
Hardness HBW |
|---|---|---|---|
| ≥415 | ≥220 | ≥30 | ≤163 |
