不銹鋼合せ鈑の研究 (I) : 製造法の概要並に一般的性質

概要

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Recently, although a large quantity of corrosion-resistance alloy is required for the chemical industry and others, the nickel production in this country is very poor at the present time. Therefore, the requirement of nickel always cannot be filled. To economize this material and to produce a lower-price stainless steel, the authors studied the method of manufacturing stainless clad plate and its qualities. Base metal of stainless clad plate was mainly low carbon steel, and the clad metal was an 18% chromium and 8% nickel type austenitic stainless steel. As the results of various tests, it was recognized as follows : 1. Of many manufacturing methods, both the casting method and the assembling method were the most suitable for mass-production because of easiness of working and the lowest cost. 2. In its manufacture, finishing of contact face in both metals, heating time or reduction ratio did not affect the adhesion strength of clad plate. For convenience of making, reduction ratio could be fixed properly. 3. The tensile strength of clad steel generally agrees with the value, calculated from the thickness ratio between clad metal and base metal layer. Nevertheless the endurance limit of a clad plate was far higher than the calculated limit. 4. The thermal conductibility of clad steel was considerably improved as compared with the mere stainless steel.
社団法人日本鉄鋼協会の論文
1952-04-25