1)OD: 1/2''-12'' 2)WT: 0.8mm-12mm 3)Length: ... from many customers since our good quality and service. 2. Production standard: ASTM A53, BS1387, EN10255, EN10240, ... and other special section type4. Detailed Product DescriptionERW steel pipeGRADE:Q195,Q215,Q235,Q275,Q345 OD:21. ... WT:0.8mm-8.5mm Length:12m PRODUCTBlack STEEL PIPE/painted/powder coatedTECHNIQUEWELDED/ERWMATERIALQ195,Q215,Q235,Q275, ...