Morakhia Metals & Alloys [P] Ltd. Supplies Brass Pipe & Tube. Morakhia Metals & Alloys [P] Ltd. Manufactures copper and copper based alloy semis. Brass Pipe & Tube is available in 63/37 alloy, 70/30 alloy sugar tubes and 85/15 alloys. The sizes of Brass Pipe & Tube vary between 6mm to 90mm and thickness from 0.6mm up to 20mm. These are suitable for use in evaporators, juice heaters and vacuum pans of sugar plants. These special high tensile brass tubes are used for valves.