... Standard:DIN,JIS,ASTM,ASME,API Certification:API/ISO9000 12 inch sch100 jis standard steel pipe Type steel pipePipe ... .8 , 5.85 , 5.9 , 6.0 ,11.8 , 12.0m. Random length: 5-12mStandardASTM A53,A106,API 5L,ASME ... natural gas industry, drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure, petrochemical, pharmaceutical industrySurface Black painting, ...