Qingdao Sangao Metal Structure Co.,Ltd is a professional above 50mm thickness steel pipe manufacturer and factory,Website:http://www.china-weldedpipe.com, we have been exporting high quality airport steel pipe made in China for years, welcome to contact us.SPEC:ABOVE 50mm steel pipe 1.high quality, competitive price 2.superior service 3.large stockProduct NameABOVE 50MM STEEL PIPEStandard1.ASTM A106 ASTM A53 API5L B ASTM A179ASTM A210 ,ANSI B36.102.JIS G3454 JIS G3455 JIS G3456 JIS G3444 JIS G34453. DIN1626 DIN17175 DIN2391 DIN1629 EN103054.BS1387 GOST 8732 GOST 8731 GOST 4353 GOST 1050GOST 9940, GOST 9941Material1.A106/A53/API 5L GR.B, A178-C, A179-C A2102.St35.8 St37 St42 St44 St45 St52 St52.4 St52.33. STPG42 STB42 STB30 STPG384. E355 S355J2H5. X42X46 X52 X56 X65 X70 X76 X80Out DiameterAbove 400mm 1/2inch to 100inchWall ThicknessAbove 50mm/Sch40-160 XS XXS STDSurface1. bare pipes2. Oill painting or black painting or varnished3. According to cold drawn precison steel pipeCold drawn bright surfaceAnnealing surface with small grains or normalizedSteel pipe ends deburring and round chamferingEndBeveled or plain endProdution Equipments1. Hot rolled machinery: Model 133 325ASSEL2. 30 sets of Cold-drawn Machinery (Model: 3 ton to 500 ton)Cold-rolled Machinery: Model LD-30, LD-60, LG-90H (L),LG-159H (L) Automatic Roller Solution & AnnealingHeat Treatment Equipment 18-meter-long Pickling Sin3. Hydrostatic tesing machine, ultrasonic wave flaw detection system,eddy current inspection system, leakage flux flaw detection systemautomatic length-measuring, weighting and mark spraying system.QUALITY CERTIFIED1.Strictly acc. ASTM,DIN,JIS,EN,GOST etc2.Sample: We are accept your sample requirement3.Test: Eddy current / hydrostatic/ Ultrasonic/ IntergranularCorrosion or according to customers' request4.Certificate:API, CE ,ISO9001.2000.MTC etc5.Inspection: BV,SGS,others is avaliable
