... 20 steel pipe 2.high precision 3.fine finish 4.ideal percentage elongation 5.good mechanical property schedule 20 steel pipe1) ... bright and galvanized C: Length of each pipe: 500mm-16,000mm D: Steel grade: st35,st35.8,st37,st37.4, ... 200,210,213,333,335,500,519,556,587 etc.DIN2391,DIN2394, DIN17175, EN10210, EN10305 etcAPI,GBF:Delivery status ... please never hesitate to contact us. schedule 20 steel pipe