Romania STAS/SR 45SiCr90 tool steel and 45SiCr90 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Valve Steel | 45SiCr90 | STAS/SR | Romania | tool steel | 
| 1.4882 | |||||
| X53CrMnNiNbN21-9 | |||||
| 1.4870 | |||||
| X85CrMoV18-2 | |||||
| 1.4748 | |||||
| NiCr20TiAI | |||||
| 2.4952 | |||||
| NiFe25Cr20NbTi | |||||
| 2.4955 | |||||
| Fe-Ni36 | 
| 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) | 
|---|---|---|---|---|---|---|
| 414 (≥) | 634 (≥) | 14 | 13 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 | 
| 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 | - | - | 0.42 | - | |||
| 832 | 962 | - | 42.3 | 222 | - | ||
| 797 | - | 33 | 22.2 | 322 | 233 | 
Heat treated : 1392°C - 1591°C
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