... 2007, JIS, AISI, DIN, 3.Thickness2.11-12.7mm4.Outer Diameter0.5-20mm5.Length6000mm6.Material304,304L, 310S ... 321H, 316, TP316L, 316L .etc.7.Typeseamless8.Steel grade 300 series9.surface finishPickling, annealing, manual polish ... .TechniqueCold Rolled, Hot Rolled, Cold drawing . 12.CertificationISO,QMS,DNV,KR,ABS,TUV,Lloyd's ... Excellent quality.4.Various size. Stainless steel coil electric power industry