... :0.3mm~10mm 2Width:10~600mm spring Stainless Steel StripsspecificationGrade:201, 202, 301, 304, 321, 316L. 430, 420, Thickness: ... , GB, DIN, EN, etc. Delivery time:as your required Applications: Stainless Steel Cold Coil applies to construction field ,ships building industry , petroleum ... electricity industries ,food processing and medical industry, boiler heat exchanger ,machinery and hardware fields