... wire Dia.:0.018mm-20.0mm Grade: 201,302,304,316 etc B-SPR,D-SPR,CHQ,B ... Steel Spring Wire (SPR)Application: Springs Steel grade: 302, 304, 316, 130M, 304ES, 201CU, 631, 200CU, 200CU- ... steel sharp nails, rivets, volleyball nails Steel grade: 304, 304HC, 304HCT, 304HC3, 316, 201CU Wire size: ... the following Stainless Steel Spoke Wire(SPO)Grade: 302, 304, 430, 316 Standard: AISI, ASTM, DIN, GB, JIS, ...