Journal of the Society of Motion Picture Engineers ( Volume: 30, Issue: 4, April 1938)

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Newer Types of Stainless Steel and Their Application to Photographic Processing Equipment

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Within the past three years, two new types of stainless steel have been developed: (1) type 315 which contains approximately 18% chromium, 8% nickel, 1.5% copper, and 1.5% molybdenum: and (2) a modification of type 316 (the usual 18–8 S Mo) where the molybdenum content has been raised to from 3 to 4% molybdenum. Considerable test data are now available for type 329, containing approximately 27% chromium, 4.5% nickel, and 1.5% molybdenum. The latter steel shows promise in that pit-corrosion tendency is considerably reduced. Satisfactory welds may also be made with this type. From the corrosion-resisting standpoint, three other compositions are discussed: type 309, 24% chromium, 13% nickel; type 310, 25% chromium, 20% nickel; and type 446, 27% chromium. It is pointed out that a polished (No. 6) and a finely ground (No. 4) finish are more corrosion-resistant than a pickled finish, not only from the potential standpoint but due to the decreased possibility of their collecting foreign matter that will accelerate corrosive attack.
Publication Date: 1938-04-01
DOI: 10.5594/J16599
Link: https://doi.org/10.5594/J16599
Author(s): H. A. Smith

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H. A. Smith; Newer Types of Stainless Steel and Their Application to Photographic Processing Equipment, Journal of the Society of Motion Picture Engineers ( Volume: 30, Issue: 4, April 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J16599

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H. A. Smith; Newer Types of Stainless Steel and Their Application to Photographic Processing Equipment, Journal of the Society of Motion Picture Engineers ( Volume: 30, Issue: 4, April 1938); SMPTE, 1938. Available at https://doi.org/10.5594/J16599

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<span class="citation">H. A. Smith; <cite>Newer Types of Stainless Steel and Their Application to Photographic Processing Equipment</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 30, Issue: 4, April 1938); SMPTE, 1938. Available at <a href="https://doi.org/10.5594/J16599" target="_blank" rel="noopener">https://doi.org/10.5594/J16599</a></span>

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<li>
H. A. Smith; <cite id="bib-10-5594-j16599">Newer Types of Stainless Steel and Their Application to Photographic Processing Equipment</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 30, Issue: 4, April 1938); SMPTE, 1938
<span class="doi">10.5594/J16599</span>
</li>