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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
