Delivery Time:as contract
Certification:ASTM-254

ASTM-254 double wall steel tube 12.7 * 0.7mm for evaporator

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

Specification:

specification	dimensional tolerance	Mechanical properties
Diameter tolerance	Wall thickness tolerance	tensile strength	yield strength	elongation
Double wall steel tube 12.7*0.7mm	±0.08	±0.08	≥290Mpa	≥180Mpa	≥25%

1.material: low carbon steel strip

2.main use: widely used in Heat exchanger,Air conditioning,Condenser,Evaporator etc

3.outer diameter:12.7mm

4.wall thlickness: 0.7mm

5.standard: ASTM-254

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

7.feature:soft and easy to bend,suit for refrigeration and heat changer  tube line making

8.tensile strength:more than 290Mpa

9.yield strength:more than 180Mpa

10.elongation:more than 25%

11.place of origin:changzhou city,jiangsu province,china

13.port of loading:shanghai ,china

14.package:plastic cloth with coil,wooden box,iron pallet etc

15.delivery:as contract

16.supply ability:30000 ton per year

17.brand:wushun

Competitive Advantage:

Bright copper coating,good welding performance.Size is complete and best price with best quality.The products are according to ASTM-254.It has the strong corrosion resistence.The cost is low and the performance is similar to steel pipe.

Application:

Double wall steel tube is made by low carbon steel strip.It is mainly used in Heat exchanger,Air conditioning,Condenser,Evaporator,Refrigerator etc.