... ,NAI ect 4.SUS,AISI,DIN ect 4.ISO9001,IS SUSChemical Composition (%) Grade CSiMnPSNiCrMo 304≤0.08≤1 ... Steel Spring Wire (SPR)Application: Springs Steel grade: 302, 304, 316, 130M, 304ES, 201CU, 631, 200CU, 200CU-3 ... stainless steel sharp nails, rivets, volleyball nails Steel grade: 304, 304HC, 304HCT, 304HC3, 316, 201CU Wire size: ... you excellent nail wires with the following SUS 304 stainless steel wire