... ' designs or samples. 1. Material: Carbon Steel or Alloy Steel 25CrMo4,35CrMo4,42CrMo4, etc, or stainless steel 304,316,304L,316L,CF3M,CF8M ... professional inspection before packaging.8. Application: almost all the entire machining industry,engineering machinery, shipping,automotive industries and tools(e.g ... any interest in our products, please contact us without hesitation. Steel Castings for Pump