Seller Lu

electric resistance welded steel pipe usage: used for low pressure liquid delivery,such as water,gas,and oil. oil drilling and machinery manufacturing,etc. erw: electric resistance welded pipe hfi: high frequency induction weld pipe efw: electric fusion welded pipe standard: api 5l, api 5ct, astm 53, en10217,din 2458, is 3589, jis g3452, bs1387 certificate: api 5l,psl1/psl2, api 5ct out diameter: 21.3mm-610mm wall thickness: 1.8-22mm length: 0.3-12m steel grade: api 5l: gr b,x42,x46,x56,x60,x65,x70 astm a53: gr a, gr b, gr c en: s275,s275jr,s355jrh,s355j2h gb: q195,q215,q235,q345,l175,l210,l245,l320,l360-l555 surface: fusion bond epoxy coating, coal tar epoxy,3pe,vanish coating,bitumen coating, black oil coating as per customer's requirement. test: chemical component analysis,mechanical properties(ultimate tensile strength,yield strength,yield strength,elongation)technical properties(flattening test,bending test,blow test,impact test),exterior size inspection,hydrostatic test,x-ray test. mill test certificate: en 10204/3.1b