The book Elementary Practical Metallurgy Iron And Steel was written by author Percy Longmuir Here you can read free online of Elementary Practical Metallurgy Iron And Steel book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elementary Practical Metallurgy Iron And Steel a good or bad book?
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, and 6 ft. In height. The castings to be annealed K 130 ELEMENTARY PRACTICAL METALLURGY are packed in cast-iron " pots " or pans, which may be round, square, or rectangular, as most suited to the form of the casting. These pots are covered with cast-iron lids, and luted with clay to exclude air. An average size of pot for small castings is about 23 in. In depth by about 15 in. In diameter. The castings are completely isolated from each other by the packing material, and must also be packed in ...such a manner as to prevent distortion or warping when at a red heat. The nature of the packing material is determined by the annealing condition that is, whether the removal of the carbon is desired, or only its change in form to that of temper carbon required. In the former case the castings are packed in an oxidizing material such as red hematite iron ore, rolling-mill scale, etc. Ked hematite ore is chiefly used, and each time of annealing new ore is added in the proportion of one of new ore to four of previously used ore.
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