... 0m. Random length: 5-12mStandardASTM A53,A106,API 5L,ASME B36.10M-1996DIN1626,DIN1629,DIN17175,DIN 2448JIS ... STB42,STS42,STPT49,STS49ApplicationLow and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, ... chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure, petrochemical, pharmaceutical industrySurfaceBlack painting, varnish paint, ...