Alloy Steel Castings for Machinery, material 42CrMo4, quenched and tempered. 1. Material: Carbon ... Alloy Steel 25CrMo4,35CrMo4,42CrMo4, etc..2. Lost wax precision castings, both yellow lost wax and ceramic lost wax.3. Machined ... -sale service.8. Small QTY can also be acceptable. Steel Castings for Machinery