... or as per customers requirementsApplications rangePetroleum ,chemical,,power,,gas,water,metallurgy,shipbuilding,construction,ectMin order quantity3 tonsDelivery ... gas, petroleum, chemical industry, electric power, metallurgy thermodynamic fields, water supply engineering, steam heating, hydroelectric power station and long pipeline ... API5L X42,X46,X52,X56,X60,X65,X70 steel pipe/oil and gas line pipe