China GB GB 4238 (1992) , GB/T 1221 (1992) , 2Cr25N Specialsteel Heat-resisting steel sheets and plates and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 2Cr25N | Ferrite | GB | China | Heat-resisting steel sheets and plates | 
| C | Si | Mn | P | S | Cr | N | Cu | 
|---|---|---|---|---|---|---|---|
| ≤0.20 | ≤1.00 | ≤1.50 | ≤0.04 | ≤0.03 | 23.00 -27.00 | ≤0.25 | ≤0.30 | 
| 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) | 
|---|---|---|---|---|---|---|
| 897 (≥) | 933 (≥) | 23 | 13 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.11 | - | |||
| 132 | 933 | - | 23.3 | 334 | - | ||
| 619 | - | 34 | 43.2 | 312 | 122 | 
Heat treated : 1939°C - 1882°C
| GB 4238 (1992) | Heat-resisting steel sheets and plates | GB-4238--(1992)-.pdf | 
| GB/T 1221 (1992) | Heat-resisting steel bars | GB-T-1221--(1992)--.pdf | 
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