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car used single wall type and double wall type welded steel bundy tube pipe 4.76 mm*0.7mm

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Address: #9-1-2702,TAI LIU RAOD,QINGDAO,CHINA

Contact name:Catherine

HOLY BASE GROUP LIMITED

car used single wall type and double wall type welded steel bundy tube pipe 4.76 mm*0.7mm

Country/Region china
City & Province qingdao shandong
Categories Jewelry

Product Details

steel pipe 4.76 mm*0.7mm

 

The low carbon steel brake tube is supplied in single wall and double wall(Bundy Pipe). The products conform to ASTM A-254-91, A-512-91A and ASTM A214 and A513 in material and quality. Commonly sizes we supply to the client include 4.76mm--15.88mm*0.7mm.

a).Plating:Yellow Zinc,White Zinc,Copper and PVC. Package:in coils/cut-to-length

b).Application:Hydraulic brake line tubing, brake tubing, brake pipes, fuel lines, transmission oil, cooler lines, air conditioning tube, power steering, condenser, compressor, evaporator etc.

 

Specification

Test Item

Technical Standard

Test Result

Outer Dia

Φ4.76±0.1mm + PVF

Φ4.79mm

Mechanical Property

Tensile Strength≥290Mpa

296Mpa

Yield Strength≥180Mpa

190Mpa

Elongation≥20%

30%

Wall Thickness

0.70±0.1mm

0.71mm

Flaring Test

Flaring≥25%

30%

Bending Test

Bend 180°in a Radius Three Times of the Pipe Diameter

No Crafk or Peeling After Flaring

Flattening Test

No Crack After Flattening

No Crack

Pressure Test

No Leakage when Charged with 34.3Mpa Nitrogen Gas for 1min

No Leakage

Plating Thickness

>15μm

22μm

Salt Spray Test

>2500 hours

3000 hours

 

Construction

 

O.D(inch)(mm)        

Wall thickness(inch)(mm)        

 

 

Single

 

3/16"   4.76mm

0.0279   0.71mm

 

 

Single

 

1/4"     6.35mm

0.0279   0.71mm

 

 

Single

 

5/16"   8mm

0.0279   0.71mm

 

 

Single

 

3/8"     9.53mm

0.0279   0.71mm

 

 

Single

 

            10mm

0.0279   0.71mm

 

 

Double

 

3/16"    4.76mm

0.0279   0.71mm

 

 

Double

 

1/4"      6.35mm

0.0279   0.71mm

 

 

Double

 

5/16"    8mm

0.0279   0.71mm

 

 

Double

 

3/8"      9.53mm

0.0279   0.71mm

 

 

  • Main Characteristics:                                                     
  • 1.Fine inside cleanness ,high strength and nice elongation                              
  • 2.Good fundation for after-process,anti-leakage.                             
  • 3.Anti-high pressure explosion and excellent anti-corrosion properly after surface treatment.                              
  • The tubes can be provided in coils or cut-to length with any length according to the                                  
  • requirements from customers                            
  • 4. The tube is used for auto braking system and power steering system and so on                                 
O.D(mm)Thickness(mm)Min Burst Pressure(Mpa)Elongationinside clearness(g/ m³)O.B(Mpa)O.S(Mpa)
4.00

0.51

   ≥25         ≤0.16    ≥290    ≥180
4.760.70        110  ≥25         ≤0.16    ≥290    ≥180
6.000.70        85  ≥25         ≤0.16    ≥290    ≥180
6.350.70        78  ≥25         ≤0.16    ≥290    ≥180
8.000.70        67.5  ≥25         ≤0.16    ≥290    ≥180
10.000.70        55   ≥25  ≤0.16≥290≥180
12.000.70        32  ≥25         ≤0.16    ≥290    ≥180

Plated surface treatment :

 Color Zinc PlatingOilve GreenWhite zinc PVF
O.D4.76,6,6.35,8,10,12  
Tensile strength290Mpa290Mpa290Mpa290Mpa
Yield Strength180Mpa180Mpa180Mpa180Mpa
Elongation25%25%25%25%
Salt spray Test:192h216h144h1000h
 

Any details,please contact Catherine

email: sbrrk123(at)foxmail.com

skype: holybase01

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