China GB GB 4238 (1992) , GB/T 1221 (1992) , 1Cr25Ni20Si2 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 | 1Cr25Ni20Si2 | Austenite | GB | China | Heat-resisting steel sheets and plates | 
| C | S | Mn | P | S | Ni | Cr | 
|---|---|---|---|---|---|---|
| ≤0.20 | 1.50 -2.50 | ≤1.50 | ≤0.035 | ≤0.030 | 18.00 -21.00 | 24.00 -27.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 413 (≥) | 475 (≥) | 22 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.23 | - | |||
| 437 | 486 | - | 34.3 | 331 | - | ||
| 468 | - | 31 | 13.2 | 112 | 211 | 
Heat treated : 1978°C - 1856°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 | 
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com