20# rectangular steel pipes We can supply the products ... G3466,EN10210 or technical agreementGrade:Q195-Q235,Q345,20#,AlloySteelST37-2,ST52-3,S235,S355etcPacking: In bundles ... the furniture, the decoration as well as the steel structure domain and so onHebei Shengtian Pipe Fiitings Group ... all types of steel structure products.wn can also produce square steel pipe,rectangular steel tube and specially ...