China GB GB/T 1220 (1992) , GB/T 3086 (2008) , GB/T 4356 (2002), 9Cr18Mo Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 9Cr18Mo | Martensite | GB | China | Stainless steel bars |
C | Si | Mn | P | S | Ni | Cr | Mo |
---|---|---|---|---|---|---|---|
0.95 -1.10 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.030 | ≤0.60 | 16.00 -18.00 | 0.40 -0.70 |
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) |
---|---|---|---|---|---|---|
168 (≥) | 299 (≥) | 42 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
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 |
---|---|---|---|---|---|---|---|
22 | - | - | 0.24 | - | |||
828 | 696 | - | 21.3 | 312 | - | ||
413 | - | 11 | 24.2 | 133 | 444 |
Heat treated : 1379°C - 1259°C
GB/T 1220 (1992) | Stainless steel bars | GB-T-1220--(1992)-.pdf |
GB/T 3086 (2008) | Specification for high carbon chromium stainless bearing steels | GB-T-3086--(2008)--.pdf |
GB/T 4356 (2002) | Stainless steel wire rods | GB-T-4356--(2002).pdf |
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