China GB GB/T 1220 (1992) , GB/T 3280 (2007) , GB/T 4237 (1992) , GB/T 4239 (1991), GB/T 4356 (2002) , 7Cr17 Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 7Cr17 | Martensite | GB | China | Stainless steel bars |
C | Si | Mn | Ni | Cr | Mo |
---|---|---|---|---|---|
0.60 -0.75 | ≤1.00 | ≤1.00 | ≤0.60 | 16.00 -18.00 | ≤0.75 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
983 (≥) | 587 (≥) | 21 | 22 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
41 | - | - | 0.42 | - | |||
352 | 825 | - | 24.3 | 442 | - | ||
889 | - | 24 | 33.2 | 314 | 124 |
Heat treated : 1261°C - 1818°C
GB/T 1220 (1992) | Stainless steel bars | GB-T-1220--(1992)-.pdf |
GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates | GB-T-3280--(2007)-.pdf |
GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates | GB-T-4237--(1992)-.pdf |
GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips | GB-T-4239--(1991).pdf |
GB/T 4356 (2002) | Stainless steel wire rods | GB-T-4356--(2002)-.pdf |
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