USA SAE A 159 (2011), G2500 Caststeel Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Caststeel | G2500 | Ferrite-Pearlitic | SAE | USA | Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum |
| C | Si | Mn | P | S | CEV |
|---|---|---|---|---|---|
| 3.20 -3.50 | 2.00 -2.40 | 0.60 -0.90 | ≤0.20 | ≤0.15 | 4.0 -4.25 |
| 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) |
|---|---|---|---|---|---|---|
| 476 (≥) | 872 (≥) | 32 | 31 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.32 | - | |||
| 145 | 714 | - | 33.3 | 443 | - | ||
| 681 | - | 34 | 22.2 | 121 | 431 |
Heat treated : 1614°C - 1367°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| ASTM G2500 | |||
| ASTM G2500a |
| A 159 (2011) | Automotive Gray Iron Castings | A-159-(2011).pdf |
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