... elongation 5.good mechanical property pipe and tube1)Suitable for conveyance of gas, petroleum, liquid, and electricity; 2)We have engineering ... 10mmB: Surface finish: black, blank, bright and galvanized C: Length of each pipe: 500mm-16,000mm D: Steel grade: ... top quality products, best price, and efficient services.For all details, please never hesitate to contact us. high precision pipe and tube