Austenitic-ferritic duplex stainless steel - Austenitic-ferritic duplex stainless steel

Japanese: オーステナイト‐フェライト2相系ステンレス鋼 - おーすてないとふぇらいとにそうけいすてんれすこう
Austenitic-ferritic duplex stainless steel - Austenitic-ferritic duplex stainless steel

…The majority of stainless steels in demand are of this type, and because they have excellent corrosion resistance and oxidation resistance at high temperatures, they are used in household goods and building materials, as well as chemical and petroleum industry equipment and nuclear reactors. (4) Austenitic-ferritic duplex stainless steels These contain 18-30% chromium, 6-12% nickel, and 0.10% or less carbon, and are made by heat treatment to make the austenite and ferrite roughly half and half, with the crystal grains of each finely adjusted. These stainless steels have good corrosion resistance, workability, and strength. They are used in the petroleum and chemical industries, seawater-resistant equipment, etc. …

*Some of the terminology that refers to "austenitic-ferritic duplex stainless steel" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ステンレス鋼の需要の大部分はこの系のステンレス鋼であり,耐食性とともに高温での耐酸化性も優れているため,家庭用品,建材のほか化学工業・石油工業用装置,原子炉関係などの用途がある。(4)オーステナイト‐フェライト2相系ステンレス鋼 クロム18~30%,ニッケル6~12%,炭素0.10%以下を含み,熱処理などによりオーステナイトとフェライトをほぼ半々にし,それぞれの結晶粒を細かく調整した,耐食性,加工性のよい,強度の大きいステンレス鋼である。石油工業,化学工業,耐海水用装置などに用いられている。…

※「オーステナイト‐フェライト2相系ステンレス鋼」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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