Metal Industry Volume 2

Metal Industry Volume 2

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...ingots of the more expensive and the less expensive metal together; for instance, copper and steel or nickel and steel. The combined ingots are then rolled into sheets or drawn into tubes and wire. and can be utilized for a number of operations, such as pressing, spinning, stamping, drawing, etc. The metals are actually welded homogeneously together, and as such, it is claimed. they are superior to plated ware when subjected to rough usage. It is also claimed that they can be placed over a fire without danger of their coming apart. notwithstanding their different rate of expansion. The compound metals may be used in thinner gauges than either brass or German silver on account of their greater resisting power. THE MANUFACTURE AND USE OF GOLD, SILVER AND BRASS SOLDERS. BY THOMAS C LARE. The method employed for manufacturing consists in, first, melting the harder metals; that is, those requiring the most heat in order to be melted. The more fusible metals are then added and the mixture is stirred with a graphite stirrer or a clean iron bar. When the mixture has reached the proper heat, which is a matter of nice judgment acquired by skill and experience, it is poured off. This method applies to all solders, gold, silver, brass, etc., and as the readers of THE METAL INDUSTRY doubtless know, to practically all composite metals. When the manufacturer of solder receives complaints regarding his metal he will generally find that the trouble can be traced to unclean or poor ingredients in his mixture. Although a solder may look clean and bright and may also roll fairly well, when the necessary care is used, the trouble will surely come out when it is used. The source of such trouble is generally traceable to the use of scrap brass, shop sweepings...
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Product details

  • Paperback | 292 pages
  • 189 x 246 x 15mm | 526g
  • United States
  • English
  • black & white illustrations
  • 1236925955
  • 9781236925954