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Product Name | Zinc plated double wall +PVF coated brake line tubing |
Standard | SAE J527,WSK-M2P139-A |
Out Diameter | 4.76mm~12mm |
Wall Thickness | 0.7mm±0.08mm |
Length | Cut to length, Any length as your requirements |
Material | Low Carbon Steel/BHG2 |
Usage | For automobile industry |
Packing | Coils or Bundles ,then in pallets or wooden boxes |
Water-proof packing, using plastic film for inner package , and wooden cases for outside package | |
Delivery Time | Within 30 days |
Other situation can be followed the negotiation by two parties | |
MOQ | 500KG |
Payment terms | L/C,T/T, Western Union |
Surface Treatment | Galvanization: white zinc, Olive-green zinc, Olive-grey zinc, colored zinc; |
Export to these countries | USA/UK/Brazil/Germany/Mexico/India/Canada/Spain/Iran/CZ |
Certificate | IATF16949 |
1.Specification and performance of surface plated | ||||||
Mark | Type | Typical appearance | Aiti-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 | |||
E | PVF tube(mainland) | Black/Green | ≥1000h | |||
PVF tube(abroad) | 3000-5000h | |||||
2.Machnical Properties | ||
Tensile Strength | ≥290Mpa | |
Yield Strength | ≥180Mpa | |
Elongation | ≥25% | |
HR30T | ≤68 | |
Inside Surface Cleanliness | ≤0.16G/m2 | |
3.Size and Tolerance | ||||||||||
Outer diameter (φ) | Diameter tolerance (mm) | Wall thickness(mm) | Wall thickness tolerance(mm) | Pressure resistance(MPa) | Burst pressure (MPa) | |||||
4.76(3/16″) | ±0.05 | 0.7 | +0.05/-0.08 | 41.2 | 110 | |||||
6 | ±0.08 | ±0.08 | 32.7 | 85 | ||||||
6.35(1/4″) | ±0.08 | ±0.08 | 30.9 | 78 | ||||||
8(5/16″) | ±0.1 | ±0.08 | 24.5 | 67.5 | ||||||
9.52(3/8″) | ±0.1 | ±0.08 | 20.6 | 57 | ||||||
10 | ±0.1 | ±0.08 | 19.6 | 55 | ||||||
12 | ±0.1 | ±0.08 | 16.3 | 32 | ||||||
10 | ±0.1 | 1 | ±0.08 | 28 | 65 | |||||
12 | ±0.1 | ±0.08 | 23.3 | 56 | ||||||


Port | FOB Shanghai/Wuhan/Shenzhen and others |
Shipping ways | By air/ Railway/vessel/Express by your choose |















Q1. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q2. What is your terms of delivery?
A: FOB,CIF,EXW
Q3. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q4. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
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