Cold Drawn Shaped Steel Tubes and Precision Steel Pipe

Product Details
Customization: Available
Warranty: 3 Years
Type: Seamless
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  • Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
  • Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
  • Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
  • Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
  • Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
  • Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
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Basic Info.

Model NO.
smls
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
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

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 /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

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

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

Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
Hot Perforaction
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
Squeeze head and raw tube inspection
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
Cycling pickling
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
Cycling cold drawing/roling
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
Cycling annealing
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe

Straightening
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
Eddy current inspection
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe

Products inspection and test
Cold Drawn Shaped Steel Tubes and Precision Steel PipeCold Drawn Shaped Steel Tubes and Precision Steel Pipe
Certificate
Cold Drawn Shaped Steel Tubes and Precision Steel Pipe
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 Shaped Steel Tubes and Precision Steel Pipe

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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