Precision Welded Steel Tube

Product Specifications

1.Product Description /Specifications

Production Range

Outer Diameter10-120mm (0.4 inch - 4.7 inch)

Wall Thickness1-20mm (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

  

2. Applications

Auto Parts Engineering Machinery Shock Absorber


3. International Steel Grade Table

International Steel Grade Table


China

ASTM A519

DIN

JIS 3445

JIS G4051

Carbon Steel

10#

1010

DIN C10/CK10

STKM11A

S10C

20#

1020

DIN C22/CK22

STKM12A/STKM12B/      STKM12C

S20C

25#

1026


STKM13A/STKM13B/ STKM13C

S25C

35#

1035

DIN C35/CK35


S35C

45#

1045

DIN C45/CK45


S45C

55#




S55C

CF53

1050

CF53



Q235B





Q235C





A105











Alloy Steel

16Mn(Q345B


St52



20Cr

5120

20Cr4 (EN 10084-1998)

JIS SCr420( JIS G4053)


40Cr

5140

41Cr4(1.7035)

JIS SCr440( JIS G4053)


15CrMo


15CrMo4

SCM415 (JIS 4053)


20CrMo


25CrMo4(1.7218)

SCM420 (JIS 4053)


28CrMo





30CrMo

4130




35CrMo

4135

35CrMo4(1.7220)

SCM432/SCRRM3


42CrMo

4140

42CrMo4(1.7225)

SCM4


20CrMnTi





40MnMoV





20Mn2





ZF6


16MnCr5(1.7131)



16MnCr5





20MnCr5





38Mn2V





36Mn2V





09CrCuSb(ND钢)











Steel Tube Standard

Seamless Steel Tubes for Structural Purposes   

GB/T 8162-2018

ASTM A519

DIN17121/EN 10297-1

JIS3441/JIS3444/JIS3445


Seamless Steel Pipes for Liquid Service   GB/T 8163-2018

ASTM A106




Seamless Cold-drawn or Cold-rolled Steel Tubes for Precision Applications

 GB/T 3639-2009


DIN1629/DIN2391           / EN 10305-1



Cold Drawn Shaped Steel Tubes

GB/T 3094-2012

ASTM A500 / ASME SA500




Seamless Steel Tubes for Automobile Stabilizer Bar

GB/T 33821-2017





Rebar Coupler Standard

Couplers for Rebar Mechanical Splicing

JG/T 163-2013





 



Certificate

Our Certificate:

ISO 9001 IATF 16949

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.  


Product Inquiry

Shaped Seamless Steel Tube

Standard Precision Seamless Steel Tubes