... 302, 304, 316, 201CU, etc. Wire size: 0.2-8.0mm Surface: Brigth, Dull Stainless steel spring wire:Application: SpringsSteel grade: 302, 304, ... White Temper: Soft Annealed Capability: High re-extend capability and smooth surface, . The expanded usage of high quality fine mesh screening ... high flexibility, abrasion resistance and corrosion resistance, uniform diameter, smooth surface, bright color, ect.