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GB/T13793 Cutting Chamfer Automotive Welded Tube

  • GB/T13793 Cutting Chamfer Automotive Welded Tube
  • GB/T13793 Cutting Chamfer Automotive Welded Tube
  • GB/T13793 Cutting Chamfer Automotive Welded Tube
  • GB/T13793 Cutting Chamfer Automotive Welded Tube

GB/T13793 Cutting Chamfer Automotive Welded Tube

    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Terms of Trade: FOB,CFR,CIF,FCA,CPT
    Min. Order: 0.5 Bag/Bags
    Delivery Time: 35 Days
    Packaging:  In bundles in wooden box
    Productivity: 60000 Tons per Year
    Brand: TORICH
    Transportation: Ocean,Land,Air
    Place of Origin: China
    Supply Ability: 60000 Tons per Year
    Certificate: ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR
    HS Code: 7306301100
    Port: Ningbo,Shanghai

Basic Info

Model No.: GB/T13793

Product Description

GB/T13793 Cutting Chamfer Automotive Welded Tube

Application:Dashboard, Seat, Anti-collision Beam, Cylinder Shock Absorber, Door (Thermoform Tube)

size:L--2~12m OD--10~76mm WT--0.5~4mmmm

Manufacture method:The steel pipe shall be made of hot rolled steel strip or cold rolled steel strip by high frequency resistance welding method

Delivery State:Steel tube should be welding or heat treatment state delivery

Grade:Q235 Q345 SPCC SPHC HC340/590DP B340/590DP HC340LA HC380LA HC420LA HC410LA HC500LA S355MC S500MC S550MC S600MC S700MC SAPH440 QSTE340TM QSTE380TM QSTM420TM QSTE500TM ST37-2G ST52-2G CR340LA CR380LA CR420LA DC01 DC02 DC03 DC04 DC05 STKM11A STKM12A STKM12B STKM12C STKM13A STKM13B STKM14A STKM14B STKM14C

Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

Advantages: Good mold material, high quality of coolant and other production materials

Unit equipment

Y32Z/60 Each one
Automatic pipe cutting machine 2
Semi-automatic pipe cutting machine 5
Automatic chamfering machine 5
Length processing accuracy Automatic--±0.3mm Semi-automatic--±0.5mm
Equipment length automatic measurement equipment 100% online length measurement
Equipment online laser coding equipment 120 degree batch tracking
Length processing accuracy ±0.3mm


OD(mm) Accuracy
10-25 ±0.05

±0.1(if finishing,it can reach to ±0.1)

Test items and sampling for steel tubes

Number Test items Test frequency Sampling quantity
1 Smelting analysis 1/furnace 1
2 Finished product analysis 1/furnace 1
3 Tensile test 1/batch 1
4 Weld tensile test 1/batch 1
5 Impact test 1/batch 2 groups in a time, 3 samples in a group
6 Flattening test 1/batch 1 sample on 2 pipes in each batch
7 Bending test 1/batch 1 sample on 2 pipes in each batch
8 Flaring test 1/batch 1 sample on 2 pipes in each batch
9 Hydraulic test All All
10 Ultrasonic testing All All
11 Eddy current testing All All
12 Galvanized layer uniformity test 1/batch 1/batch
13 Galvanized weight determination 1/batch 1/batch
14 Galvanized layer adhesion test 1/batch 1/batch

Mechnical Properties

Steel Grade Lower yield strength Re1./MPa

Tensile strength





08,10 195 315 22
15 215 355 20
20 235 390 19



Torich International Co.,Ltd--The Steel Tube Maker

 Who We are ?
-------A professional steel pipes materials inventor, manufacturer and solution provider Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials.
It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.

Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories` technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.

What products we do?
------- Invent and produce various Precision Steel Pipes Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes

Nickel Alloy Steel Tubes & Pipes

Products Application:
Oil Cylinders Air Cylinder,
Automotive Cylinder Liners Boilers,
Pressure Vessels Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders

Agricultural Machineries

Size range is:
O.D. 4-350mm, W.T. 0.5-30mm,

according to customer`s requirement and agreement

Steel Grade:
Carbon Steel Grade:

ST35.8, ST37.0, ST44, ST52; E155, E195, E215, E235, E275, E355; 195GH, P235GH, P265GH, P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2; SAE1010, SAE1020, SAE1026, SAE1035, SAE1045;

Carbon steel tube:
SA178, A179, A192, A210, SA213, SA214, etc.

Alloy Steel Grade:
T2, T5, T9, T11, T12, T17, T21, T22, T91,T92,
15Mo3,16Mo3, 13CrMo44;
SAE4130, SAE4140, 40Cr, 40Cr4, 10CrMo910, 12CrMo910, 11CrMo910,
25CrMo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20MnV, 20MnV6,20CrMn;

Carbon steel tube:


Nickel Alloy Grade:
N02200/2201, N04400, N06600, N06601, N06625, N06852, N06219, N06690,
N08800/8810/8811, N08825, N08028, N08535, N08904, N08925, N08926, N010276, N06022, etc.

Austenitic/Super Austenitic Stainless Steel Grade:
304/304L, 316/316L, 314, 321, 347H, 316Ti, 316LMod, 317L/N, 310S, 253MA, 330, 904L, S31254, XM-19, etc.

Ferrite/Martensitic Stainless Steel Grade:
TP410, TP405, TP420, TP430, TP430Ti, TP403, TP409, TP444, TP439, TP446, etc.

Duplex/Super Duplex Stainless Steel Grade:

S31803, S32304, S31500, S32550, S32750, S32760, etc.

Corporate Culture:

We focus on Quality First, Quality Traceability, and Quality Stability! We focus on Customer First, People First, and Quality-Oriented! Success: First factory started in 1997, in the name of Haiyan Sanxin Steel Tube Co.,Ltd, now covers 50000 square meters of factory building, with more than 100employees, and over 45 million RBM assets. In 2008, we started the company of Torich International Co.,Ltd for international business and marketing. Welcome partners from all over the world for long term cooperation!

TORICH Target:
To be the No.1 One-Stop Purchase Platform, Preferred Vendor and Comprehensive Supplier for Steel Tubes,Steel Material, Steel Parts,CNC machinine parts, Automotive Parts

TORICH Vision:

  • Sell the Chinese Quality-Products Worldwide.
  • Marketing TORICH to worldwide, make TORICH to be the 1st option and priority for Foreign Cusomters purchasing from China.
  • Make TORICH and TIMELY to be a name and a fame worldwide.
  • Make TORICH and TIMELY to be a Respectable and Reliable company

TORICH Mission:

  • Make Customers to Purchase Easy from China.
  • Marketing Chinese Quality-Products worldwide.
  • Reduce Customers' Purchasing Costs and Risks to purchase from China.
  • Buy Globally, Sell Globally


  • Dependable and Honesty to our partners.
  • Non-Stop Study.
  • Dedicate to the jobe and Love the job.
  • 100% passion.
  • Mutual Respect & Mutual Love.
  • Cooperation & Win-Win.
  • Realize Employee's Value, Serve Every Customer who Trust TORICH.

Company Info

  • Company Name: Torich International Co.,Ltd--The Steel Tube Maker
  • Representative: Richard
  • Product/Service: Seamless Steel Tubes , Precision Steel Tubes , Hydraulic Cylinder Steel Tubes , DOM steel tubes , Stainless Steel Tubes , Special Pipe and Tubes
  • Capital (Million US $): 8.5 Million RMB
  • Year Established: 1997
  • Total Annual Sales Volume (Million US $): US$10 Million - US$50 Million
  • Export Percentage: 31% - 40%
  • Total Annual Purchase Volume (Million US $): US$10 Million - US$50 Million
  • No. of Production Lines: 16
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 30,000-50,000 square meters
  • Factory Location: Daqiao Developing Zone Haiyan,Zhejiang
  • Contact Person: Mr. Richard SHEN
  • Tel: 86-574-88255925
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