ASTM A210__for seamless medium-carbon steel boiler and superheater tubes
Delivery Condition: Annealed, Normalized, Normalized and Tempered
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Application: For high, middle, low pressure boiler and pressure purpose
Chemical composition:
|
Grade |
C |
Mn |
Si |
P |
S |
|
A1 |
≤0.27 |
≤0.93 |
≥0.10 |
≤0.035 |
≤0.035 |
|
C |
≤0.35 |
≤0.29~1.06 |
≥0.10 |
≤0.035 |
≤0.035 |
Mechanical Properties:
|
Grade |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation (%) |
|
A1 |
≥ 415 |
≥ 255 |
≥ 30 |
|
C |
≥ 485 |
≥ 275 |
≥ 30 |
