China GB GB/T 1220 (1992) , GB/T 3280 (2007), GB/T 4231 (1993), GB/T 4239 (1991), 1Cr17Ni7 Specialsteel High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 1Cr17Ni7 | Austenite | GB | China | High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc |
C | Si | Mn | P | S | Ni | Cr |
---|---|---|---|---|---|---|
≤0.15 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.030 | 6.00 -8.00 | 16.00 -18.00 |
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) |
---|---|---|---|---|---|---|
126 (≥) | 979 (≥) | 24 | 23 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.44 | - | |||
874 | 868 | - | 42.3 | 132 | - | ||
746 | - | 31 | 44.2 | 244 | 314 |
Heat treated : 1396°C - 1854°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 4231 (1993) | Cold rolled stainless steel strips for springs | GB-T-4231-(1993).pdf |
GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips | GB-T-4239-(1991).pdf |
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