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Home ProductsAutomotive Steel TubesLow Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes
Low Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes
Low Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes Low Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes Low Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes Low Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes
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Low Carbon Automotive Steel Tubes Small Diameter For Automobiles Brake Tubes

Minimum Order Quantity : 2 Tons Price : negotiable
Packaging Details : In wooden boxes packaging. Delivery Time : 3-5 weeks
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 500 Tons per month
Place of Origin: Zhejaing China Brand Name: TORICH
Certification: ISO 9001 Model Number: J527 B

Detail Information
Type: Welded Special Pipe: Brake Tubes
Surface Treatment: Black Technique: Cold Drawn
Grade Group: 10#-45# Outer Diameter(Round): 4.76 - 8.00 Mm
Thickness: 0.7 - 1.0 Mm Length: Straight Length Or Coil
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Product Description

Low Carbon Steel Tube Small Diameter For Automobiles

Copper brazed double wall steel tube is made of steel strips which is copper plated on both sides.It has widely applied for automobiles,refrigerators and the other hydraulic system industries.

 

Dimension and specification

 

O.D. mm Thickness mm Weight g/m Assurance pressure kg/cm3
4.76 0.7 70.28 350
6.00 0.7 91.76 350
6.35 0.7 97.75 350
7.00 0.7 108.75 350
7.14 0.7 111.17 350
8.00 0.7 126.31 350

 

Tolerance

O.D. and W.T. +/-0.08mm

 

Chemical Composition

C ≤ 0.12%

Mn ≤ 0.50%

P≤ 0.04%

S≤ 0.045%

 

Mechanical properties

Tensile strength ≥30kgf/mm2

Yield point ≥18kgf/mm2

Elongation(50mm)≥25%

Hardness(HR30T)≤ 65

 

Expand test Take 3 samples of 200mm,expand the pipe outside dimension to larger than 25%


Internal cleanliness Particle and oil <0.194g/m2

 

 

 

 

 

QUALITY CONTROL

 

1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.

 

 

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us

 

 

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