1. black steel pipe 2.high precision 3.fine finish 4.ideal percentage elongation 5.good mechanical property black steel pipe 1)Application: conveyance of gas, petroleum, liquid, and electricity;2)We have engineering team for pipeline system buildingA: Size Range: Round pipe diameter: 4mm-200mm, thickness: 0.5-10mmB: Surface finish: black, blank, bright and galvanizedC: Length of each pipe: 500mm-13,000mmD: Steel grade: st35,st35.8,st37,st37.4,st45,st52,SAE,grade A,B etc.
E: Conforms to international standards, like:
Astm A106,179,192,199,200,210,213,333,335,500,519,556,587 etc.
DIN2391,DIN2394, DIN17175, EN10210, EN10305 etc
API,GB
black steel pipe for normal and mechanical sturcture
