... 3.casting for 15 years Description:1. Name: Alloy steel construction machinery part 2. Technology: casting 3. Material Grade ... : Alloy steel 8620 4. Standard: ASTM, JIS,DIN,BS,NF 5. ... part, truck part ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45#, 40Cr,ect.R ...