1. Chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Al | 
| 38CrMoAl | 0.35-0.42 | 0.20-0.45 | 0.30-0.60 | ≤0.035 | ≤0.035 | 1.35-1.65 | 0.15-0.25 | 0.70-1.10 | 
2. Equivalent Steel Grade
| GB | ASTM | DIN | 
| 38CrMoAl | 7140 | 1.8509 | 
3. Applications: 
1
2.For parts of larger cross-sections, crankshafts, gears and so on.
4.Main features: 
1.Good resistance to tempering.
2.Excellent corrosion resistance.
3.Excellent dimensional stability during heat treatment.
4.Excellent polishing
5.Good wear resistance