China GBT 4J33 expansionalloy and 4J33 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | 4J33 | GBT | China | expansionalloy | 
| 3J53 | 
                                |||||
| 3J53P | 
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| 3J53Y | 
                                |||||
| 3J58 | 
                                |||||
| 3J60 | 
                                |||||
| 3J63 | 
                                |||||
| 4J06 | 
                                |||||
| 4J28 | 
                                |||||
| 4J29 | 
                                |||||
| 4J32 | 
                                
| 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) | 
|---|---|---|---|---|---|---|
| 398 (≥) | 194 (≥) | 33 | 11 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 | 
| 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 | - | |||
| 589 | 544 | - | 22.3 | 244 | - | ||
| 376 | - | 24 | 43.2 | 113 | 341 | 
Heat treated : 1588°C - 1899°C
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