
Business Type: Manufacturer
Main Products:Rebar CouplerSeamless Steel TubeShaped Seamless Steel TubePrecision Welded Steel TubeBolted Rebar CouplerUpsetting Parallel Thread Rebar CouplerRebar Processing MachinesRolling Straight Thread Rebar CouplerCold Extrusion Press Raber CouplerAlloy Steel Tube
ID:20082818908
Category: Metallurgy,Chemicals & Energy Metallic Minerals Products
MOQ:3.00 Ton(s)
Precision Welded Steel Tubescold drawn welded pipewelded precision tubesDOM tubingdrawn over mandrel tubingwelded precision steel tubescold drawn welded tube carbon DOM tubingcold drawn welded tubeprecision welded steel tubing
L/CT/T
1. Advantages/Benefits of Our Precision Welded Steel Tube
lHigh precision
lSmooth and Clean OD and ID surfaces without welding joint
lExcellent machining characteristics
lAdvanced manufacturing and quality processes to meet standards
lCost savings with controlled quality
2. Product Description /Specifications
Production Range | Outer Diameter:10-120mm (0.4 inch - 4.7 inch) |
Wall Thickness:1-20mm (0.04 inch - 0.78 inch) | |
Material / Grade | Q195, Q235, Q345, E195, E235, E355, ST37-2, ST52-3(DIN 2393-2/EN 10305-2), Others can be customized |
Tolerance | Can be customized according to customer’s requirements |
Technique | Cold Drawn / Cold Rolled |
Shape | Triangle, Hexagon, Square, Rectangle, Octagon, Others can be customized |
Further Processing for Steel Tubes | Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking |
3. Application

4. Custom Features
(1) Solutions
Tenjan can provide customized solutions based on the USE of steel tubes or rebar couplers in order to improve product quality and save more comprehensive costs.
(2) Product Customization
Both seamless steel tubes and rebar couplers can be customized under requirements of steel grade, size, MECHANICAL PROPERTY and surface quality. Steel grade follows international standards ASTM A519, ASTM A106, ASTM A500, ASME SA500, DIN2391, DIN1629, EN10305-1, DIN17121, EN10297-1, JIS3441, JIS3444 and JIS3445.
(3) Small Batch Customization
Tenjan can satisfy customers’ need of small batch order with customization requirements.
(4) Alloy Steel Material Customization
Tenjan is specialized in producing alloy steel tubes with wide production range. Advanced automatic annealing facility can control temperature difference within 2℃ to ensure alloy steel tube with stable mechanical properties.
(5) Shape Customization
Thick-walled and shaped seamless steel tubes are our advantage product which can be customized according to customers’ needs.
(6) Value added Machining
Tenjan provides value added machining products based on steel tubes, such as bushing, couplers or machining according to drawings. The machining service includes cutting, chamfering, tapping and laser marking.
5. Why Choose Tenjan?
(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.

Business Type:Manufacturer
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