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ASTM A159 Automotive/train/railway Gray Iron Castings
ASTM A159 standard specification is used for automotive, train and railway gray iron castings, this specification applies to tray iron castings, cast in sand molds, used in the products of the automobile, truck, tractor and allied
industries.
1. Chemical composition
| Grade | Carbon | Silicon | Manganese | Phosphorus,max | Sulfur,max | Approximate Carbon Equivalent |
|---|---|---|---|---|---|---|
| G1800 | 3.40-3.70 | 2.30-2.80 | 0.50-0.80 | 0.25 | 0.15 | 4.25-4.5 |
| G2500 | 3.20-3.50 | 2.00-2.40 | 0.60-0.90 | 0.20 | 0.15 | 4.0-4.25 |
| G3000 | 3.10-3.40 | 1.90-2.30 | 0.60-0.90 | 0.15 | 0.15 | 3.9-4.15 |
| G3500 | 3.00-3.30 | 1.80-2.20 | 0.60-0.90 | 0.12 | 0.15 | 3.7-3.9 |
| G4000 | 3.00-3.30 | 1.80-2.10 | 0.70-1.00 | 0.10 | 0.15 | 3.7-3.9 |
2. Mechanical Properties
3. Metallography
G1800 ferrite and pearlite
G2500 pearlite and ferrite
G3000 pearlite
G3500 pearlite
G4000 pearlite
4. Application.
The Grat cast iron has advantage of high wear resistance and high shock absorption. The main application which Dandong Hengrui casting process ASTM A159, are usually include car bracket, train and railway cast iron cradle, iron support, brake drum, axle support, connecting block, truck swing bracket, etc.
Of cause it customized by our customers, you can choose any material standard of cast iron and cast steel.