无缝钢管

seamless steel pipe Steel Grade 20G15CrMoG12 Cr1MoVG20#GB 5310 SA-106 Gr.BGr.CWB36ASME SA-106 SA-335 Gr.P11P12P22P91P92ASME SA-335 SA-376 TP304304H304N304LN316316H316N316LNASME SA-376 15NiCuMoNb5-6-4 EN10216-2 STAND ,ASME SA 335,ASME SA-376,EN 10216-2:2002, EN 10216-5:2004, GB 5310 PRESSURE SCH10,SCH20,SCH30,SCH40,SCH80,SCH160,STD,XS,XXS SPECIFICATION OD:406∼1472mm ID:355.6∼953mm WT:25∼220mm LENGTH:4000∼8000mm CERTIFICATION Hongrun Heavy Industry Group Co., Ltd. have got ISO 9001 Certificate of the quality certification system; awarded special equipment certification of design and manufacture license by the State Bureau of Quality and Technical Supervision ,certificate of A class boiler and A2 class press vessel peoples republic of China, manufacture license of pipe used by ship in China; Hebei province measurement support certificate of quality; the ASME U S steel seal manufacture license award by American Society of Mechanical Engineers; manufacture license civil nuclear press equipment; China import and export corporation certificate and so on. TEST Heat Treatment, Mechanical Property, and Metallographic Analysis, Nodestructive Inspection PACKING As your requirements APLICATION PETROLEUM,PAPERMAKING,AVIATION,EXCHANGER, CHEMICAL ,REFINING,CONSTRUCTION,ETC PAYMENTSL/C,T/T