Janya Extrusions Pvt. Ltd. Manufactures Admiralty Brass Tubes for Oil Refineries. Janya Extrusions Pvt. Ltd. Is an ISO 9001:2000 certified company. The company also manufactures Brass Profile, Brass Rounds, Brass Bar, Copper Bar, Copper Bus Bars, Copper Profile, Copper Rounds, Copper Tubes, Cupro Nickel Tubes, Brass Flats, and Brass Tubes. Admiralty Brass Tubes for Oil Refineries are used in industrial sectors such as Oil refineries, Ship building companies, Power plants etc. A Copper and zinc alloy in the ratio of 70/30 having 1-1.5% of Tin for corrosion resistance and some % of Arsenic, to help against dezincification. The most common use of Admiralty Brass Tubes for Oil Refineries is for heat exchange equipments, ship building, and evaporators.