China GBT 4J06 expansionalloy and 4J06 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | 4J06 | GBT | China | expansionalloy | 
| 3J09 | 
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| 3J21 | 
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| 3J22 | 
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| 3J40 | 
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| 3J53 | 
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| 3J53P | 
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| 3J53Y | 
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| 3J58 | 
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| 3J60 | 
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| 3J63 | 
                                
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | N(%) | Al(%) | Fe(%) | 
|---|---|---|---|---|---|---|---|---|---|
| 0.05 | ≤0.30 | ≤0.25 | 0.020 | 0.020 | 5.5-6.3 | 41.5-42.5 | ≤0.2 | ≤0.2 | Bal | 
| 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) | 
|---|---|---|---|---|---|---|
| 275 (≥) | 511 (≥) | 14 | 22 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.42 | - | |||
| 797 | 744 | - | 44.3 | 334 | - | ||
| 212 | - | 12 | 22.2 | 413 | 212 | 
Heat treated : 1354°C - 1114°C
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