... Description Material Q345 Galvanized Steel Pipe , galvanized steel pipe Q345,galvanized steel tube,carbon steel pipe Q345StandardBS1387, BS4568, ASTM A53, ... resistance of steel and prolong service life. Galvanized pipe extensive use:In addition to a general low pressure ... oil industry, especially the ocean oilfield oil well pipe, oil pipe,chemical coking equipment of oil heater, condensation cooler, ...