alloys, antimony

alloys, antimony defined in 1909 year

alloys, antimony - Alloys, Antimony;
alloys, antimony - (a) Tin is now so high in price that we find many brass foundries going back to the addition of antimony to certain bronze mixtures to cheapen them. The practice consists in replacing part of the tin in the mixture by antimony. To be sure, spelter is also used; but there are certain cases in which a bronze metal is desired which shall be hard and stiff, and yet have a good colour. The addition of a considerable quantity of spelter is necessary for accomplishing the same thing, and this alters the colour too much.

A favourite mixture used for many classes of work in which stiffness and colour are required is the following: Copper 88 per cent, or 10 lb., zinc 5.50 per cent, or 10 oz., tin 2.5 per cent, or 5 oz., lead 2.25 per cent, or 4 oz., antimony 1.50 per cent, or 3 oz. While we are not in favour of adding antimony to bronze mixtures, as it produces red-shortness, there are, perhaps, many ornamental castings such as buckles or similar cheap work in which an "Oreide" colour is desired, and the price of which will not afford the use of much tin. We advise those who are not acquainted with these mixtures to try them on a small scale before going ahead, as it may not suit their case. Do not use for any work requiring much strength. ('The Brass World.')

(6) Antimony imparts a peculiar beautiful red colour to copper, varying from rose-red in a little copper and much antimony, to crimson or violet when equal parts of these metals are melted together.

near alloys, antimony in Knolik

alloys, aluminiumhome
letter "A"
start from "AL"
alloys, bearing brasses

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