... thickness: 0.25mm-4mm5.Polishing:400#,320#,240#,180#,80# and hair line6.Packaging: Each pc will be packed in one ... machinery, chemical, transportation, measurement appliance,toy,windows and doors,vessel,light industry and military industry.Spring Steel Strips1. Grade: SUS301, SUS3042. Thickness: 0 ... ,430 ,316L,304L2. Thickness: 0.25mm-3mm3. Width: 200 and 300 series up to 600mm ,400 series up to 800mm4 ...