Keywords:erw steel tube Length: 4-12m ect. Standard: GB AMST JIS EN DIN Material: Carbon steel keywords: erw steel tube Main Markets- North ... Asia, Africa, Oceania, Mid East, Eastern Asia Typeerw steel tube Pipe Size1/2"—48" (DN15-1200)Wall ThicknessSCH10--XXSLength5. ... 20#,Q235, Q345ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4A53B, A106B, API ... and packing:A glimpse of workshop: erw steel tube