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Auto Exhaust System Cold Drawn Welded Steel pipe

  • Auto Exhaust System Cold Drawn Welded Steel pipe
  • Auto Exhaust System Cold Drawn Welded Steel pipe
  • Auto Exhaust System Cold Drawn Welded Steel pipe
  • Auto Exhaust System Cold Drawn Welded Steel pipe

Auto Exhaust System Cold Drawn Welded Steel pipe

    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Terms of Trade: FOB,CFR,CIF,FCA,CPT
    Min. Order: 1 Ton
    Delivery Time: 35 Days
    Packaging: In bundles In wooden boxes
    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 ABS DNV
    HS Code: 7306301100
    Port: Ningbo,Shanghai

Basic Info

Model No.: JIS 3445 STKM11A

Product Description

STKM11A Auto Exhaust System Welded Steel pipe


application Automobile and motorcycle Shock Absorber Pipe
Hydraulic-cylinder Pipe
Mechanical steel pipes for auto and motor parts
Gas Spring pipe
motor casing pipe
size

length--2~12m

WT--2~5mm

OD--10-20mm

material STKM11A
Production process ordinary high-frequency welded pipe
Advantages small diameter and thick wall
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
Inspection items

chemical composition

Tensile test

Ultrasonic examination

Eddy current flaw detection

Bending test

Flattening test


Permissible Tolerance of Outer Diameter and Wall Thickness (mm)

Type of steel Tube Dimension of steel tube Permissible tolerance
Average class High class

Hot-rolled

(extruded and expanded) tube

Outer diameter D All ±1%
(min.+/-0.50)
-
Wall thickness All +15%/-12.5%
(min.+4.5/-4.0)
-
Cold-drawn (cold-rolled) tube Outer diameter D 6~10 ±0.2 ±0.15
>10~30 ±0.40 ±0.20
>30~50 ±0.45 ±0.30
>50 ±1% ±0.8%
Wall thickness <1 ±0.15 ±0.12
>1~3 +15%
-10%
+12.5%
-10%
>3 +12.5%
-10%
±10%
Note: For hot-expanded tubes with outer diameter>35mm,the permissible tolerance of wall thickness is±18%.



Longitudinal Mechanical Properties of Steel Tubes

NO. Steel Grade Tensile Strength(Mpa) Yield point(Mpa) Elongation after breaking(%)
s<16 s>16
Not less than
1 10 335~475 205 195 24
2 20 410~550 245 235 20
3 Q295 430~610 295 285 22
4 Q345 490~665 325 315 21


Permissible deviations of the product analysis from the specified limits

Element Limiting values for cast analysis Permissible deviatioon of the product analysis in % by mass
C ≤0.22 +0.02
Si ≤0.55 +0.05
Mn ≤1.60 +0.10
P ≤0.025 +0.005
S ≤0.015 +0.003
Al ≥0.025 -0.005



What is your Guarantee?
1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
2.High quality with competitive price.
3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.

Do you have agent or distributor in our country?
1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.


How is your production capability?
1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
How to get the sample?
1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
What is your Payment Term?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
Who are your customers?
1.Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc


How long will you react on our requirement?
1.Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!

Any more questions about your doubts, please feel free to send us your emails or call!


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.


https://www.youtube.com/watch?v=BrpX5A6Ol0E


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


https://www.youtube.com/watch?v=fDeS_4VT0Zw


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

Agricultural Machineries


https://www.youtube.com/watch?v=I9nuGlQzDs4


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

Length:
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:

A179,A192,A210,DIN17175,etc.


https://www.youtube.com/watch?v=53xiZads2Gs

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!

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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