USA AISI C-8A Machining with carbide and C-8A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool Steel And Hard Alloy | C-8A | AISI | USA | Machining with carbide | 
| C-4 | 
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| C-5 | 
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| C-50 | 
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| C-5A | 
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| C-6 | 
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| C-60 | 
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| C-6A | 
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| C-7 | 
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| C-7A | 
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| C-8 | 
                                
| 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) | 
|---|---|---|---|---|---|---|
| 963 (≥) | 214 (≥) | 41 | 42 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.31 | - | |||
| 884 | 613 | - | 14.3 | 223 | - | ||
| 448 | - | 14 | 21.2 | 112 | 433 | 
Heat treated : 1194°C - 1399°C
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