DIN17175 17Mn4 boiler steel pipe chemical composition:
C |
Si |
Mn |
P |
S |
Cr |
0.14-0.20 |
0.20-0.40 |
0.90-1.20 |
0.040max |
0.040max |
0.30max |
DIN17175 17Mn4 boiler steel pipe mechanical properties:
Grade |
Material No. |
Yield strength |
Tensile strength |
elongation |
17Mn4 |
17Mn4 |
≥ 230 MPa |
440-580 MPa |
≥ 20 |
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