230-450 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Mould Steel | 230-450 | |||
| L-56 | 
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| L-60 | 
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| L-61 | 
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| L-70 | 
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| LA-71 | 
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| LA-75 | 
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| LA-90 | 
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| LA-100 | 
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| 200-400 | 
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| 200-400W | 
                                
| 
					C ≤  | 
				
					Si ≤  | 
				
					Mn ≤  | 
				
					P ≤  | 
				
					S ≤  | 
				Cr | Ni | 
|---|---|---|---|---|---|---|
| 0.035 | 0.035 | |||||
| Mo | Al | Cu | Nb | Ti | V | Ce | 
| N | Co | Pb | B | Other | ||
| By manufacturer decided to | ||||||
| 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) | 
|---|---|---|---|---|---|---|
| 727 (≥) | 428 (≥) | 22 | 23 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.41 | - | |||
| 612 | 115 | - | 21.3 | 114 | - | ||
| 464 | - | 33 | 41.2 | 432 | 411 | 
Heat treated : 1933°C - 1645°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| RZG230-450 | China | Investment casting with carbon steel | |
| ZG230-450 | China | carbon steel castings for general engineering purpose | |
| ZG230-450H | China | steel casting suitable for welded structure | 
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