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China supplier auto brake double wall steel tube welding

    • Application: all
    • Market Type:After Market 
    • Price: US $0.19 - 0.4 / Meter
    • Payment Terms: L/C, D/A, T/T, D/P, Western Union,MoneyGram
    • Minimum Order: 2000 Meters

Quick Details

  • Supply Ability:

    60 Kilogram/Kilograms per Day double wall tube

  • Delivery Details:

    within30--50 days after advance payment

  • Packing:

    PP bag with inner plastic film ; Palleting ; Wooden case ; 20' container 5.69M*2.13M*2.18M , the rough weight sould be 13T 40' container 11.8M

  • Delivery Port:

    Tianjin / Qingdao /Shanghai ... ...

  • OE Experience:


Product Name:China supplier auto brake double wall steel tube welding

China supplier auto brake double wall steel tube welding



Product Description:

Product Description

Product Name China supplier auto brake double wall steel tube welding
Standard YB/T4164 (Stricter than ASTM A254 and SAE J527)
Out Diameter 3.14mm~16mm
Wall Thickness 0.5mm~1.0mm
Length Cut to length, Any length as your requirements
Material Low Carbon Steel/BHG2
Usage For automobile and refrigeration industry
MOQ 2 Metric tons
Payment terms L/C,T/T, Western Union
Surface Treatment Galvanization: white zinc, Olive-drab zinc, Celadon zinc, colored zinc; PVF coated
Certificate ISO9001:2008

Technical Parameters

Outer  dia. (φ) Wall thickness(mm) Mechanical Property  Weight (g/m) Weight  Zinc (g/m)
Weight  PVF (g/m) Resistance to pressure (Mpa) Length(m/ton)


Yield Strength 6s ≥180Mpa 
Elongation δ≥25% 
Tensile Strength 6s ≥290Mpa
70 71 72 88 13889
6 91 92 93 70 10753
6.35(1/4″) 97 98 99 64 10101
8(5/16″) 125 127 128 51 7813
9.52(3/8″) 152 153 154 43 6494
10 160 162 163 41 6135
12 194 196 198 34 5051

172 174 175 72 5714
10 220 222 223 58 4484
12 270 272 274 48 3650
15 346 349 351 36 2849
Test item Flaring Test  / Bending Test /  Flattening Test /  Pressure Test / Corrosion test

Specification and performance of surface plated

Galvanization and Coating Types
Mark Type typical appearance Anti-corrosion time
A Copper tube Bright or light blue 6-8h
B White zinc tube Rainbow and white 24-36h
C Color zinc tube Yellow rainbow 72-96h
D Olive green tube Olive green or bronze color 96-144h

PVF tube(mainland)
PVF tube(abroad) 3000-5000h
Sorts of Surface Treatment

Electrolyte double wall steel tube with PVF coatedinc Plating + Chromate Yellow
Electrolyte double wall steel tube with PVF coatedinc Plating + Chromate Olive
Electrolyte double wall steel tube with PVF coatedinc Plating + Chroamte Olive + PVF Olive Green

Detailed ImagesOur Company

  Shaanxi Yong Rui Ltd. was established in 1998, the company is located in Xi’an National Economic and Technological Development Zone Fengcheng 3; registered capital of 3 million RMB, fixed assets of 500 million, the existing staff of280, has college education of technical management staff of 20 people; business in September 2003 through the national ISO9001 quality management certification.

CertificationsPacking & Delivery

Coils or Bundles ,then in pallets or wooden boxes
Water-proof packing, using plastic film for inner package , and plastic woven bag for outside package
Delivery Time
Within 30 days(Order quantity is between 2 Metric Tons and 5 Metric Tons)
Other situation can be followed the negotiation by two parties

Our Service

1) we have more than 10 years export experience to Iran, American, Germany, India, Myanmar etc. pleae rest assure at our quality.
2) prompt shipment : By reputed shipping line and professional documents .
3) Cargos photo : before and after loading into container .
4) packing : new and strong seaworthy packing, also can based on buyer's special request .
5) Best service after shipment with Email .
6) feedback Email after endusers .
7) can provide free samples for you check the quality . the samples need about 3-4days .
8) on-time delivery : production delivery time need about 30-40days after get the deposit .


1.Are you a trading company and manufacturer?
Yes, we have have plant and trading company, we can deal business both, but do it as condition.

2.How can I get your prices?
Pls show us your target tube size (OD ,wall), material (steel grade),coating types( coating types on OD/ID both), in coil or straight length tube(if length, how long per pcs?), quantity, packing requirement ,application and specialy requirement. Then,we can send you an exact quotation within 24 hours.

3.What's your MOQ?
For common coating type and common size, MOQ is 3000kg ; for specially coatinf type or specialy size need confirmed.

4.How can I get some samples to do quality approved?
After quotation confirmed, we can send some samples for testing, severl pieces tube are free,but big quantity maybe charged and freight should be bear by client.

5.What about the leading time for mass order producing?
Usually, 15-25 days for material preparing and producing after order confirmed, and 10 days for shipment booking and confirmed.35 days min for common size and type, special size and type need confirm.

6.Could the tube be customized for us?
Sure, we are professional supplier.when we confirmed and accept all your target requirement,we can customize the tube as your target.

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Supplier Details

Shaanxi Yongrui Indus. Limited Company

Market Type: OE Market 
Business Type: Manufacturer
Main Product: Brake Line, Brake Pipe, Copper Pipes, Carbon Steel Pipes

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