Used in the products of the automobile, truck, tractor, and allied industries. Diesel engine castings, liners, cylinders, and pistons.
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 3.10 | 3.60 | ||
| Si | 1.95 | 2.40 | ||
| Mn | 0.60 | 0.90 | ||
| P | - | 0.10 | ||
| S | - | 0.15 |
G4000a
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 423 (≥) | 761 (≥) | 42 | 24 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 689 (≥) | 356 (≥) | 32 | 11 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 777 | 832 | 788 |
We can customize the production of G4000a grade, contact us for the best solution.
–sales@specificsteel.com