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) | 
|---|---|---|---|---|---|---|
| 319 (≥) | 736 (≥) | 11 | 24 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 | 
| 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 | - | - | 0.23 | - | |||
| 917 | 198 | - | 41.3 | 411 | - | ||
| 819 | - | 44 | 13.2 | 122 | 413 | 
Heat treated : 1285°C - 1959°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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