... Description Material Q345 Galvanized Steel Pipe , galvanized steel pipe Q345,galvanized steel tube,carbon steel pipe Q345StandardBS1387, BS4568, ASTM A53, ... a general low pressure fluid such as water, gas, oil line pipe, also used as the oil industry, especially the ... ocean oilfield oil well pipe, oil pipe,chemical coking equipment of oil heater, condensation cooler, ...