black painting carbon steel pipe 1 Standard: ANSI B36. ... 48" 4 Thickness: 2.11 -59.54mm PRODUCT NAME:black painting carbon steel pipeSTANDARD:DIN 1629/3, DIN 1630, DIN ... 2391, DIN 2444, ASTM A106-2006, ASTM A53-200... MATERIAL:10#-45#, A53-A369, ST35-ST52, Q195-Q345 ... SCH160,STD,XS,XXS LENGTH:Max 12 MetersSURFACE TREATMENT:Black painting, black varnish, Glavanized or as per customer's request. ...