MAIN CHEMICAL COMPOSITION
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CHEMICAL COMPOSITION (WEIGHT %)
|
|
|
C(%)
|
0.07~0.15
|
|
Si(%)
|
0.50~1.00
|
|
Mn(%)
|
5.00~7.50
|
|
P(%)≤
|
0.030
|
|
S(%)≤
|
0.015
|
|
Cr(%)
|
17.5~19.5
|
|
Ni(%)
|
6.50~8.50
|
|
Mo(%)
|
-
|
|
Other(%)
|
N 0.20~0.30
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MECHANICAL PROPERTIES
Thickness Diameter (d)/≤mm: 15
Hardness HBS: 300
Yield strength σ0.2≥/MPa: 340
Tensile strength σb/MPa: 750~950
Elongation δ(longitudinal )≥(%): 35
Elongation δ(transversal )≥(%): 35
Impact absorbing energy Akv≥/J|longitudinal: 100
Impact absorbing energy Akv≥/J|transversal: 60
Intergranular corrosion resistance tendency | condition of delivery: Yes
Intergranular corrosion resistance tendency | condition of welding: No