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Tubos de acero aleado para ingeniería mecánica

--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
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  • Tubo de acero sin costura
  • Tenjan
  • Seamless Steel Tube

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. Product Photos

cold drawn steel tube 

Cold Drawn Steel Tube

cold rolled steel tubes 

Cold Rolled Steel Tube

 cold drawn and rolled steel tubes

Cold Drawn VS Cold Rolled Steel Tubes


3. Cold Drawn VS Cold Rolled Technics

Cold Drawing 

Cold Drawing

1. Through special alloy steel mould cold drawn forming

2. Small deformation

3. Inside and outside surface bright and clean

4. Hardness moderate

5. Suitable for machining

6. Special shape tube necessary procedure

 

 

Cold Rolling 

Cold Rolling

1. Through the roller repeatedly rolling the outer surface forming

2. Large deformation

3. Outer surface bright with a mirror effect

4. High hardness

5. Suitable for terminal products

6. High surface requirement tube necessary procedure



Combination of Cold Drawing and Cold Rolling

1. High-end products adopt the combination mode of cold drawn and cold rolled.

2. Suitable for subsequent machining

3. Perfect surface

Examples: rifle barrel, shock absorber

 

 

4. Application

Auto Parts Driling Engineering Machinery
Auto Parts    Drilling  Engineering Machinery
Machining Tunnel Support Agricultural Machinery Parts
Machining Tunnel Support Agricultural Machinery Parts
Liquid Conveyance Transmission
Liquid Conveyance Transmission 


5. International Steel Grade Table(Alloy Steel)


GB

ASTM AI95

DIN

JIS G4053

гOCT4543-71

20Mn2

1524

P355GH(1.0473)

SMn420


30Mn2

1330

28Mn6(1.1170)

SMn433

30г2

35Mn2

1335


SMn438

35г2

40Mn2

1340


SMn438

40г2

45Mn2

1345


SMnC443

45г2

50Mn2




50г2

20MnV





27SiMn





35SiMn





42SiMn





20SiMn2MoV





25SiMn2MoV





37SiMn2MoV





40B

1040

38B2(1.5515)



45B

1045




50B

1050




25MnB





35MnB





40MnB

1541

37MnB5(1.5538)



45MnB

1547




20MnMoB





15MnVB





20MnVB





40MnVB





20MnTiB





25MnTiBRE





15Cr

5115

17Cr3(1.7016)

SCr415

15X

15CrA

5115

17Cr3(1.7016)

SCr415

15XA

20Cr

5120

17Cr3(1.7016)

SCr420

20X

30Cr

5130

28Cr4(1.7030)

SCr430

30X

35Cr

5135

34Cr4(1.7033)

SCr435

35X

40Cr

5140

41Cr4(1.7035)

SCr440

40X

45Cr

5145


SCr445

45X

50Cr

5150



50X

38CrSi




38XC

12CrMo





15CrMo


18CrMo4(1.7243)

SCM415

15XM

20CrMo

4118

18CrMo4(1.7243)

SCM420

20XM

25CrMo





30CrMo

4130

25CrMo4(1.7218)

SCM430

30XM

30CrMoA

4130

25CrMo4(1.7218)

SCM430

30XMA

35CrMo

4135

34CrMo4(1.7220)

SCM435

35XM

42CrMo

4142

42CrMo4(1.7225)

SCM440


50CrMo





12CrMoV





35CrMoV

4135

34CrMo4(1.7220)

SCM435

40XMφA

12Cr1MoV





25Cr2MoVA





25Cr2Mo1VA





38CrMoA1




38X2MIOA

40CrV




40XφA

50CrVA

6150

51CrV4(1.8159)

SUP10


15CrMn

5115

16MnCr5(1.7131)


18Xг

20CrMn

5120

20MnCr5(1.7147)

SMnC420

18Xг

40CrMn

5140

41Cr4(1.7035)



20CrMnSi




20XгCA

25CrMnSi




25XгCA

30CrMnSi




30XгCA

30CrMnSiA




30XгCA

35CrMnSiA




35XгCA

20CrMnMo



SCM421


40CrMnMo

4140

42CrMo4(1.7225)

SCM440


20CrMnTi




18XгT

30CrMnTi




30XгT

20CrNi

4720

18NiCr5-4(1.5810)


20XH

40CrNi



SNC236

40XH

45CrNi




45XH

50CrNi




50XH

12CrNi2

4320

10NiCr5-4(1.5805)

SNC415

12XH2

12CrNi3

E9310

15NiCr13(1.5752)

SNC815

12XH3A

20CrNi3


15NiCr13(1.5752)


20XH3A

30CrNi3



SNC631

30XH3A

37CrNi3



SNC836


12Cr2Ni4




12X2H4A

20Cr2Ni4


15NiCr13(1.5752)

SNC815

20X2H4A

20CrNiMo

8620

20NiCrMo2-2(1.6523)

SNCM220

20XH2M(20XHM)

40CrNiMoA

4340(E4340)

36CrNiMo4(1.6511)

SNCM439

40XH2M(40XHM)

18CrNiMnMoA





45CrNiMnMoA

4340

36CrNiMo4(1.6511)

SNCM439/SNCM447

45XH2MφA(45XHMφA)

18Cr2Ni4WA


15NiCr13(1.5752)

SNC815

18X2H4MA(18X2H4BA)

25Cr2Ni4WA




25X2H4MA(25X2H4BA)




Our Certificate：

ISO9001 IATF16949
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.  


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