• Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
  • Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
  • Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
  • Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
  • Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
  • Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square

Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square

Warranty: 3 Years
Type: Rod
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Polished
Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Customization:

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Basic Info.

Model NO.
sr
Section Shape
Special Section
Carbon Steel
GB/T 8162 & 8163 & 3639
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

Product Description

Tenjan is a leader metal suppliers in the steel bar market. We offer steel bar in a variety of shapes, including flat, round, half round, hexagon and square. Let us customize your bars with finishing options including sawing, grinding, turning, polishing, chamfering, drilling or welding

1.Product Description /Specifications
Production Range Outer Diameter:10-90mm (0.4 inch - 3.5 inch)
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
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
Tolerance Tolerance ±0.15mm,Superior products ±0.05mm, Can be customized according to customer's requirements
Technique Cold Drawn / Cold Rolled
Shape Round/specail shaped
Further Processing for Steel Tubes Final Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking

2.Production process

Row Material storage/inspection and cutting by saw machine

Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
Squeeze head
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
Cycling pickling
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
Cycling cold drawing
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
Cycling annealing
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square

Straightening
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
Products inspection and test
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
Certificate
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square
ABOUT
 TENJAN

Changzhou 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 20mm
Cold Drawn Precision Steel Bar Steel Rod Shape Round, Half Round, Hexagon, Square

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.  

 

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