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) | 
|---|---|---|---|---|---|---|
| 327 (≥) | 916 (≥) | 24 | 42 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.21 | - | |||
| 359 | 772 | - | 41.3 | 433 | - | ||
| 857 | - | 13 | 21.2 | 321 | 433 | 
Heat treated : 1432°C - 1882°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| ASTM G2500 | |||
| ASTM G2500a | 
| A 159 (2011) | Automotive Gray Iron Castings | A-159-(2011).pdf | 
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