Place of Origin: Tianjin China (Mainland) Brand Name: better Model Number: 4. 76 mm - 18 mm
Application: cooling system, air conditionor, b . Material: steel Dimensions: 4. 76 mm - 18 mm
Packaging & Delivery
Packaging Detail : first we adopt plastic film to wrap the small bundle and then seaworthy wooden case will be used to protect the goods well.
Delivery Detail within 30 days
OD from 4. 76 mm to 18 mm
Coating: copper, zinc, PVF inner or outside.
ouble wall pipe can be applied in automobiles brake system, cooling system, airconditionor and refreigiator. OD from 4. 76 mm to 18 mm Coating: copper, zinc, PVF inner or outside. Packing: first we adopt plastic film to wrap the small bundle and then seaworthy wooden case will be used to protect the goods well. Producing capacity: 50 mt per month1. Technical properties: 2. ToleranceOD?0. 08 mm WT?0. 05 mm 2. Chemical proporties (% ) C?0. 06Mn?0. 30S?0. 03P?0. 03Si?0. 033 Physical proportiesTensile strength?290MPayeild strength?180MPa?35% (HR30T) ?584. the quality of the inner side4. 1 moisture inside of the pipe less than 30mg/ . 4. 2 impurity inside of the pipe less than 40mg/ . 4. 3 mineral oil inside of the pipe less than 10mg/ . 4. 4 PH inside of the pipe 6. 5 - 7. 5. Technical capability5. 1 flared test flared rate can reach 30% pipe still do not broken. 5. 2 pressing test 5. 3 cold forming test 6. obturation test6. 1 put every pipe in to the special liquid. charge 2. 0Mpa azot. Waiting for 5 to 8 minutes. If azone do not leakout, the pipe is tested as qualified.
