Precision Lost Wax Investment Casting process with the casting Material: 17-4PH Precipitation Hardening Stainless Steel
Carbon steel, SS304 (CF8), SS316(CF8M), SS304L(CF3), SS316L(CF3M) or SS321 can be casted too.
This type screw is a drill auger, suitable for constructive or valves.
SCREW IMPELLER-17-4PH STAINLESS STEEL CASTINGS
Stainless Steel 17-4PH Alloy 17-4PH (UNS S17400), Type 630, is a chromium-nickel-copper precipitation-hardening martensitic stainless steel, for more information pls visit: Casting Material: 17-4PH Precipitation Hardening Stainless Steel