We are offering stainless steel spring wire.Material:201, 202, 301, 302, 304, 304l, 316, 316l etc.Wire diameter:0.3-5.0mmcharacteristics: excellent straightness & helix with good cast; uniform & beautiful surface condition; high elasticity and high fatigue resistance; strong corrosion resistance against exposure to the toughest atmosphere. Stainless steel spring wire specification:type aisi c max % mn max % p max% s max% si max% cr% ni% mo% 201 0.15 5.50-7.50 0.06 0.03 1 16.000-18.00 0.5 -202 0.15 7.50-10.00 0.06 0.03 1 17.00-19.00 3.-0-5.00 -302 0.15 2 0.045 0.03 1 17.00-19.00 8.00-10.00 -302hq 0.03 2 0.045 0.02 1 17.00-19.00 9.00-10.00 -304cu 304hc 0.04 0.80-1.70 0.04 0.015 0.3-0.6 18-19 8.5-9.5 -303 0.07 2 0.045 0.25 min 1 17-19 8.0-10.0 0.6304 0.08 2 0.045 0.03 1 18.00-20.00 8.0-10.50 -304l 0.03 2 0.045 0.03 1 18.00-20.00 8.00-12.00 -316 0.06 2 0.045 0.03 1 16.00-18.00 10.00-14.00 2.00-3.00316l 0.03 2 0.045 0.03 1 16.00-18.00 10.00-14.00 2.00-3.00347 0.08 2 0.045 0.03 1 17.00-19.00 9.00-13.00 -321 0.06 2 0.045 0.01 .40-.60 17-19.00 9.4-9.6 -er308 0.08 2 0.045 0.03 1 17-19 9.5-13.0 -er308l 0.025 1.502.00 0.025 0.02 0.5 19.021.0 9.511.0 -er309 0.08 1.502.50 0.02 0.015 0.5 23.025.0 20.014.0 -er309l 0.025 1.502.50 0.02 0.015 0.5 23.025.0 12.014.0 -er316l 0.02 1.502.00 0.02 0.02 0.5 18.020.0 12.00-14.00 2.00-3.00430l 0.03 1 0.04 0.03 1 16.00-18.00 - stainless steel spring wire application:produced in accordance with the specifications of jis, with stable linearity and excellent cast and helix, it can be widely used for rolling various precision springs.