ASTM A556 Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes
| Standard: ASTM A556 Steel Grade: Grade A2, Grade B2, Grade C2 Size: OD(15.9-31.8mm)ⅹWT(>1.1mm) Application: For use in tubular feedwater heaters |
Chemical
Composition:
|
Grade |
Chemical Composition |
|||||
|
C |
Si |
Mn |
P、S |
Cr |
Mo |
|
|
Grade A2 |
≤0.18 |
/ |
0.27~0.63 |
≤0.035 |
/ |
/ |
|
Grade B2 |
≤0.27 |
≤0.1 |
0.29~0.93 |
≤0.035 |
/ |
/ |
|
Grade C2 |
≤0.30 |
≤0.1 |
0.29~1.06 |
≤0.035 |
/ |
/ |
Mechanical Properties:
|
Grade |
Tensile Strength (Mpa) |
Yield strength (Mpa) |
Elongation % |
|
Grade A2 |
≥320 |
≥180 |
≥35 |
|
Grade B2 |
≥410 |
≥260 |
≥30 |
|
Grade C2 |
≥480 |
≥280 |
≥30 |