carbon steel ERW pipe/welded steel pipe 1. diameter:406.4 ... long 4. ASTM A53 NameMaterialSpecificationProtective finishStandardCertificatesUsagecarbon steel ERW pipe/welded steel pipesteelQ195Q215Q235Q345ASTM A53406,4mmx 6,3mm, ... available, too.We have exported the galvanized steel pipe to Iran, Saudi Arabia, UAE, Philippine, Malaysia ... 86-010-88613214Skype: zari0910 carbon steel ERW pipe/welded steel ...