Gunmetal Casting LG2 Alloys
Gunmetal, AKA red brass is a type of Bronze – an alloy of Copper, Tin, and Zinc. ASTM B62 (or UNS C83600) alloy is a leaded red brass copper casting (gunmetal) alloy. Gunmetal alloys are useful for many applications because of their combination of high strength in tension and compression, hardness, ductility and high resistance to impact. It has very good castability and this allows for consistent thin sections which makes the alloy also suitable for intricate parts. This gunmetal also has very good thermal and electrical conductivity. Machinability of B62 is also excellent as the high lead content gives fine turnings with a light cutting load and very good machining characteristics.
Gunmetal casts and machines well and is resistant to corrosion from steam and salt water, and is used to make steam and hydraulic castings, turned parts, Bushings, Plugs, Threaded connectors, Tank Connectors, Water tank DZR Brass fittings, valves, pump parts and gears, and also statues and various small objects, e.g. buttons. A material with excellent machining characteristics, good casting qualities and moderate strength. Particularly suitable where pressure tightness is required. It has a tensile strength of 221 to 310 MPa, a specific gravity of 8.7, a density 8,719 kg/m3, and a Brinell hardness of 65 to 74.Main alloys used in Gunmetal castings are -LG2, LG3, LG4, PB, LPB, HTB.
LG2 Leaded Gunmetal Bronze, offering excellent machinability, excellent wear resistance at normal lubrication, high resistance to seizure and good corrosion resistance. This grade is also known as “Red Brass”.
We have state of the art foundry in Jamnagar India casting Lg2 Gunmetal alloy of Copper and also CNC machines to offer machined Bronze and Gunmetal castings, connectors, bushes, pump impellers, valve bodies, Pipe clamps, grounding clamps, earthing accessories, couplings, electrical accessories, Bronze threaded fittings, Gunmetal couplings, hose fittings, pipe fittings, Elbows, Tees, etc.
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