GB 5310 10Cr9MoW2VNbBN boiler steel pipe specification range: diameter 19-1067mm, wall thickness 2-150mm.
Chemical Composition and Mechanical Property of GB 5310 10Cr9MoW2VNbBN boiler steel pipe:
Grade | Chemical Composition % | |||||||||||||
10Cr9MoW2VNbBN | C | Si | Mn | Cr | Mo | V | B | Ni | Alt | Nb | N | W | P | S |
0.07 ~0.13 |
≤0.50 | 0.30 ~0.60 |
8.50 ~9.50 |
0.30 ~0.60 |
0.15 ~0.25 |
0.0010 ~0.0060 |
≤0.40 | ≤0.020 | 0.04 ~0.09 |
0.030 ~0.070 |
1.50 ~2.00 |
≤0.020 | ≤0.010 | |
Mechanical Properties | ||||||||||||||
Tensile strength | Yield strength | Elongation A | ||||||||||||
≥620 Mpa | ≥440 Mpa | ≥16 % |
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Henan BEBON Iron&Steel co.,ltd.