G4000a
USA SAE ASTM A159-1993, G4000a Caststeel Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons. and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Caststeel | G4000a | Pearlitic | SAE | USA | Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons. |
Chemical composition(mass fraction)(wt.%) of the G4000a
| C | Si | Mn | P | S |
|---|---|---|---|---|
| 3.10 -3.60 | 1.95 -2.40 | 0.60 -0.90 | ≤0.10 | ≤0.15 |
Mechanical Properties of steel grade G4000a
| 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) |
|---|---|---|---|---|---|---|
| 836 (≥) | 337 (≥) | 22 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
Physical Properties of steel grade G4000a
| 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 | – | – | 0.22 | – | |||
| 555 | 795 | – | 31.3 | 243 | – | ||
| 183 | – | 41 | 34.2 | 324 | 444 |
Heat Treatment of steel grade G4000a
Heat treated : 1428°C – 1643°C
Technological Curves of steel grade G4000a
No Curve