...Those made by heat treatment are called tempered high tensile steels, while those that have satisfactory performance as hot rolled are called non-tempered high tensile steels. Thus, the group of high tensile steels developed from carbon steels are called high strength low alloyed steels, or HSLA steels, by acronym. On the other hand, precipitation hardening stainless steels and maraging steels are used for applications requiring a tensile strength of 200 kgf/mm2, such as the fuselages of space rockets and the cases of centrifuges for uranium enrichment. *Some of the terminology that refers to "HSLA steel" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…熱処理によってつくられるものを調質高張力鋼,熱間圧延のままで満足する性能をもつものを非調質高張力鋼と呼ぶ。このように,炭素鋼から発展した一群の高張力鋼を,低合金高張力鋼high strength low alloyed steelまたは頭文字をとってHSLA鋼と呼んでいる。一方,引張強さを200kgf/mm2も必要とするような用途,たとえば宇宙ロケットの胴体とかウラン濃縮用の遠心分離機のケースなどには析出硬化型ステンレス鋼やマルエージング鋼が使用される。… ※「HSLA 鋼」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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