... professionally specializing in seamless pipe for more than 10 years and we have our own factory. 1.Available GradesASTM/AISI,201 ... ,316L,321,443 etc. 4.type:hot rolled and cold drawn 304/2B cold rolled stainless steel coilThickness:0.1mm to 200mmhigh quality ... ,316,316L,317,321,201,443 etc.type:hot rolled and cold drawnsurface:2B,BA,2D,NO.1,NO.2,NO.4 ...