China GB GB/T 1220 (1992) , GB/T 4356 (2002) , 9Cr18MoV Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 9Cr18MoV | Martensite | GB | China | Stainless steel bars |
| C | Si | Mn | P | S | Ni | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|
| 0.85 -0.95 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.030 | ≤0.60 | 17.00 -19.00 | 1.00 -1.30 | 0.07 -0.12 |
| 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) |
|---|---|---|---|---|---|---|
| 587 (≥) | 184 (≥) | 43 | 32 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
| 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 | - | - | 0.22 | - | |||
| 393 | 763 | - | 41.3 | 244 | - | ||
| 142 | - | 24 | 43.2 | 111 | 243 |
Heat treated : 1482°C - 1869°C
| GB/T 1220 (1992) | Stainless steel bars | GB-T-1220--(1992)-.pdf |
| GB/T 4356 (2002) | Stainless steel wire rods | GB-T-4356--(2002)-.pdf |
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