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GB/T Carbon Steel Seamless Pipes and Special Shaped1
Building Hardware, Construction Pipe Tube, ASTM A106 Pipe, ASTM A106 Tube
Changzhou Tenjan Steel Tube Co., Ltd.
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Product Description Seamless Steel Tube --Precise custom outer diameter and inner diameter--Tight tolerances, resulting in reduced machine time / Dimensional accuracy--Smooth and Clean OD and ID surfaces--Excellent machining characteristics--Wider range of physical properties attainable through process and annealing options 1.Product Description /SpecificationsProduction RangeOuter Diameter:10-120mm (0.4 inch - 4.7 inch)Wall Thickness:1-20mm (0.04 inch - 0.78 inch)Material / GradeCarbon Steel:GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13CJIS G4051: S10C, S20C, S25C, S35C, S45C, S55CAlloy Steel:GB/T 8162 & 8163 & 3639: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND)ASTM A519: 5120, 5140, 4130, 4135, 4140DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420ToleranceTolerance ±0.15mm,Superior products ±0.05mm, Can be customized according to customer's requirementsTechniqueCold Drawn / Cold RolledShapeRoundFurther Processing for Steel TubesFinal Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking2.Production process of seamless steel pipeRow Material storage/inspection and cutting by saw machineHot PerforactionSqueeze head and raw tube inspectionCycling picklingCycling cold drawing/rolingCycling annealingStraighteningEddy current inspectionProducts inspection and testCertificateCompany ProfileChangzhou Tenjan Steel Tube Co., Ltd. was founded in 2004. The annual production capacity can reach 60,000 tons under years of development. We are a leading technical manufacturer in the seamless steel tube and rebar coupler industry. Tenjan's chairman, Wensheng Gu, already has 25-year experience in steel tube industry and is the major constitutor of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. Tenjan is specialized in custom production of high quality seamless steel tubes under international standards ASTM A519, ASTM A106, ASTM A500, ASME SA500, DIN2391, DIN1629, EN10305-1, DIN17121, EN10297-1, JIS3441, JIS3444 and JIS3445. We provide small batch customization service, especially for small and medium-size enterprises. Raw material, internal and external dimensional tolerances and consistency, internal and external surface roughness, straightness, mechanical properties, eccentricity, special shape, alloy steel, small-diameter thick-walled seamless steel tubes all can be customized. The production range for outer diameter is from 10 to 120mm and for wall thickness is from 1 to 20mmWhy Choose Tenjan? (1) Large Scale Production,Strong R&D CapabilityThe annual production capacity can reach 60,000 tons under years of development. Every-year R&D investment and a team of technicians enable Tenjan with strong R&D capability. Tenjan has full system of production with advanced equipment, such as perforation, pickling, cold rolling, cold drawing, straightening, flaw detection, tensile test and machining. (2) Quality Control Every batch of products can be traced and guaranteed by the raw material certificate and steel tube quality certificate. Complete quality control system, following ISO9001, to ensure a full inspection process such as pull force test, chemical composition test and eddy current detection. (3) CertificationThe chairman of Tenjan, Mr. Wensheng Gu, is one of the major constitutors of national standard Couplers for Rebar Mechanical Splicing JG/T 163-2013. And Tenjan has won the Quality System Certificates of ISO9001 and IATF16949. (4) Major Customer CaseWe have long-term relationship with customers such as BMW, MCC, CNNP, CRRC, Midea, Sinohydro, China Pingmei, China Academy of Building Research and so on. (5) Export CountriesOur products were exported to Europe, America, Japan, South Korea, The Middle East, Southeast Asia and in total six continents over 20 countries, and which has been consistently trusted by customers. (6) Customer ServiceTenjan provides considerate service to every customer with fast feedback, quality track and technical support.
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