... has the features of bright surface, softness, non-magnetic, anti-fatigue, good extending strength and so on. ... 302, 304, 304L, 316, 316L, 310, 310S, 321 Stainless steel spring wire: Hard, springy, corrosion resistant, pressure resistantSizes: 0 ... 6.0+ 0.05 / - 0.050.10 Stainless steel wire chemical composition table:AISI Material Chemical Composition(%) ...