... W.T.: 2mm API 5LD Corrosioin resistant alloy clad or lined steel pipe ASTM A519 50B40 50B44 ... DIN 1630 DIN 17175...API 5CT OCTG seriesCasing:K55 M65 N80-1 N80Q L80-90Cr C90 ... , S355NH, S355NLH,S420NH, S420NLH, S460NH, S460NLHEN 10216-1 P195TR1, P195TR2, P235TR1,P235TR2, P265TR1, P265TR2EN 10216-2 ... -6-4, X11CrMo5+1,X11CrMo5+NT1, X11CrMo5+NT2,X11CrMo9-1+1, X11CrMo9-1+NT,X10CrMoVNb9-1, X20CrNiV11-1EN 10216- ...