Delivery Time:According to quantity about order
Certification:ISO9001,ISO14001
Copper Coated Double Wall Bundy Tube , Low Carbon Steel Strip

surface treatment: copper coated
features:soft  and easy to bend
elongation:more than 25%
For Brake & Fuel System

1.Materials: low carbon steel strip

2.Main use: widely used in refrigeration, chiller, heaters, freezer,compressor,automobile  etc

3.outer diameter: 6mm

4.wall thickness: 1mm

5. standard: YB/T4164-2007

6.certification:also passed ISO9001 quality attestation system and ISO14001 Certificate of Environment Management  System

7.surface treatment: copper coated 

8. Features: soft  and easy to bend

9.tensile strength: more than 290 Mpa

10.yield strength:more than 180 Mpa

11.elongation:more than 25%

12. place of origin: changzhou city, jiangsu province, China.

13. port of loading:shanghai, China;

14. package:plastic cloth with coils, wooden boxes, iron pallets etc

15. delivery:as contract

16. supply ability:25000 ton per year

17. brand:WUSHUN

Applications:

Double wall copper coated steel tube mainly used in refrigerator, freezer and compressor etc,it is made  by material  low carbon steel

Specifications:

Standard	YB/T4164-2007
Thickness	0.50 - 0.70 mm
Section Shape	Round
Outer Diameter	4.00 - 8.00 mm
Place of Origin	Jiangsu, China (Mainland)
Secondary Or Not	Non-secondary
Technique	Cold Drawn
Certification	ISO9001,ISO14001
Surface Treatment	Copper Coated
Alloy Or Not	Non-alloy
Type	Welded
Welded Line Type	Longitudinal
Specification	8mm, 6.35mm, 6mm,4.76mm,4mm
Outer Diameter	8mm,6.35mm,6mm,4.76mm,4mm
Length	cut by length and in coil
Thickness	0.71mm,0.65mm,0.60mm,0.50mm
Usage	refrigerator ,freezer ,compressor
Brand Name	changshun
Grade	bao steel strap
Standard	ASME
Diameter tolerance	±0.08
Wall thickness tolerance	±0.08

Competitive Advantage:

can mainly used in compressor of refrigerator and other heat exchanger.blast protection performance good ,copper welding between two layer ,size is complete ,good quality according ASTM-254 .