1, Iron: 1213, 12L14,1215,ect
2,Steel:C45(K1045), C46(K1046),C20,ect
3, Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
4,Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
5,Bronze: C51000, C52100, C54400, etc
6,Aluminum: Al6061, Al6063,Al7075
7,Titanium
8,Plastic:PP(Polypropylene),PC(Polycarbonate),PTFE(Teflon),POM,Nylon,ect
9,OEM according to your request