SCS31 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Mould Steel | SCS31 | |||
| SCS17 | 
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| SCS18 | 
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| SCS19 | 
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| SCS19A | 
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| SCS20 | 
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| SCS21 | 
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| SCS21X | 
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| SCS22 | 
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| SCS23 | 
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| SCS24 | 
                                
| 
				C ≤  | 
			
				Si ≤  | 
			
				Mn ≤  | 
			
				P ≤  | 
			
				S ≤  | 
			Cr | Ni | 
|---|---|---|---|---|---|---|
| 0.06 | 0.8 | 0.8 | 0.035 | 0.025 | 15-17 | 4.0-6.0 | 
| Mo | Al | Cu | Nb | Ti | V | Ce | 
| 0.7-1.5 | ||||||
| N | Co | Pb | B | Other | ||
| 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) | 
|---|---|---|---|---|---|---|
| 732 (≥) | 216 (≥) | 44 | 42 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.33 | - | |||
| 446 | 185 | - | 21.3 | 332 | - | ||
| 515 | - | 22 | 41.2 | 143 | 334 | 
Heat treated : 1482°C - 1956°C
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