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Цена:0,15 $*

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Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-17-2025 0.33 $* 0.44 $*
Aug-17-2025 0.82 $* 0.78 $*
Jul-17-2025 0.0 $* 0.49 $*
Jun-17-2025 0.5 $* 0.63 $*
May-17-2025 0.40 $* 0.56 $*
Apr-17-2025 0.26 $* 0.53 $*
Mar-17-2025 0.49 $* 0.27 $*
Feb-17-2025 0.14 $* 0.64 $*
Jan-17-2025 0.88 $* 0.47 $*

Характеристики



Product description




Product Name
Double wall brazed steel tube
Standard
SAE J527,WSK-M2P139-A, YB/T4164
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; PVF coated
Export to these countries
USA/UK/Brazil/Germany/Mexico/India/Canada/Spain/Iran
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


Detailed Images




Our Company


 Jingda (Jingzhou) Automotive Co., Ltd. is located in Jingzhou high-tech development zone, covering 130,000㎡.Now the company owns 25 double wall brazed tube mills and 8 production lines including Zinc plating, PVF coating ,PA12 extruding and hot-dip Galfan + Al-rich epoxy coating processes. 










Customer visit




Our exhibition 

Our Company already take part in many exhibition  all over the world. 




Packing & Delivery


Our most professional packaging
Transport 20'container 
Transport 40'  container of  big coil tubing 


Our Service


1) We have more than 30 years export experience to Brazil, American, India, Germany, Mexico,UK etc. please 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 end-users .
7) Can provide free samples for your check the quality . the samples could send out immediately.
8) On-time delivery : production delivery time need about 30-40days after receiving the order.



Welcome to contact


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