Premium Carbon Seamless Steel Pipes Per GB/T Standards
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| Customization: | Available |
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| Warranty: | 3 Years |
| Carbon Steel: | GB/T 8162 & 8163 & 3639 |
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Basic Info.
- Model NO.
- smls
- Outer Diameter
- 10-120mm (0.4 Inch - 4.7 Inch)
- Wall Thickness
- 1-20mm (0.04 Inch - 0.78 Inch)
- Length
- Less Than 11.8m
- Tech
- Cold Drawn / Cold Rolled
- Tolerance
- ±0.15mm
- Transport Package
- Sea Transportation
- Specification
- Varnish, Plastic Caps, in Bundled, or Customized
- Trademark
- Tenjan
- Origin
- China
- HS Code
- 7304319000
- Production Capacity
- 50000 Ton/Year
Packaging & Delivery
- Package Size
- 600.00cm * 100.00cm * 100.00cm
- Package Gross Weight
- 2000.000kg
Product Description
Seamless Steel Tube
--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
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Production Range |
Outer Diameter:10-120mm (0.4 inch - 4.7 inch) |
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Wall Thickness:1-20mm (0.04 inch - 0.78 inch) |
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Material / Grade |
Carbon Steel: GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105 ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53 JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13C JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C |
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Alloy 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, 4140 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5 JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4 JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420 |
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Tolerance |
Tolerance ±0.15mm,Superior products ±0.05mm, Can be customized according to customer's requirements |
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Technique |
Cold Drawn / Cold Rolled |
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Shape |
Round |
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Further Processing for Steel Tubes |
Final Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking |
2.Production process of seamless steel pipe
Row Material storage/inspection and cutting by saw machine
Hot Perforaction
Squeeze head and raw tube inspection
Cycling pickling
Cycling cold drawing/roling
Cycling annealing
Straightening
Eddy current inspection
Products inspection and test
(1) Large Scale Production,Strong R&D Capability
The 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) Certification
The 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 Case
We 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 Countries
Our 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 Service
Tenjan provides considerate service to every customer with fast feedback, quality track and technical support.
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