black painting carbon steel pipe 1 Standard: ANSI B36.10 2 Material: ... 48" 4 Thickness: 2.11 -59.54mm PRODUCT NAME:black painting carbon steel pipeSTANDARD:DIN 1629/3, DIN 1630, DIN 2391 ... SCH160,STD,XS,XXS LENGTH:Max 12 MetersSURFACE TREATMENT:Black painting, black varnish, Glavanized or as per customer's request.CERTIFICATE ...