2.outer diameter:8mm;7.8mm;6.35mm;6mm;4.76mm;4mm

3.wall thickness:0.7mm;0.65mm;0.6mm;0.5mm

4.standard:GB/T24187-2009

5.certification:ISO9001:2008,ISO14001:2004

6.tensile strength:more than 290Mpa

7.yield strength:more than 180Mpa

8.elongation:more than 25%

9.place of lorigin:changzhou city,jiangsu province,china

10.port of loading:shanghai china

11.delivery:as contract

12.competitive price among the same area

13.mian use:widely used in refrigeration,freezer cooling  system etc