Semi-red brass alloy
Semi-red brass is brass alloy that contains 8−17% of zinc, and nit less than 78% of copper. This is a modern substitute of tomboy. Alloys that relate to semi-red brass: С84200, С84400, С84500, С84800. Due to modern technological possibilities, there are can be manufactured the most complex details out of semi-red brass.
Percentage composition according to EN12165
|Basis||7−10||6−8||≤ 1||≤ 0.4||≤0.25||≤0.08||≤0.02||≤0.005||≤0.005||≤0.005||≤0.08|
Miscibility of metal in liquid alloy is performed in two steps. The first step is kinetic. Valence bindings split in crystal lattice of liquid material. There are formed new bindings between atoms of liquid metal and other atoms that are contained in solution. This step is done in boundary layer of liquid metal. During second step, solute atoms diffuse into solution through boundary layer of liquid metal.
Application of semi-red brasses: decorative brass, valves, cages, parts of water pipelines, furniture fittings, decorative casting, fittings, radiator parts, battery terminals, bushings, castings of general purpose with average strength.
Parts made of semi-red brasses can be joined by brazing (with a help of braze solders). There is not recommended to use such types of welding: arc welding in atmosphere of protective gas, carbon electrode welding, oxy-acetylene welding.
Semi-red brass supplier
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