... -3.0mm 3.Width:15mm-1219mm 4.Material:301/2b Stainless Steel Coils material: 316L 304, 301, 202, 201 wall thickness ... 9. Application:electron, information, spaceflight, energy resources, traffic, chemical industry, tactile, medical appliances, meter, electrical appliance, dishware, adornment and constructional engineering ... the world to make great achievements 301 full haredness stainless steel coil