... percentage elongation 5.good mechanical property seamless schedule 40 pipe1)Suitable for conveyance of gas, petroleum, liquid, and electricity; 2)We have ... : Conforms to international standards, like:Astm A106,179,192,199,200,210,213,333,335,500,519,556,587 etc.DIN2391 ... all details, please never hesitate to contact us. seamless schedule 40 pipe