Heat Treatment and Properties of Nitrogen Alloyed, Martensitic,Corrosion-resistant Steels
来源期刊：材料热处理学报2004年第5期
论文作者：Roland Rabitsch Klaus Sammt Michael Haspel Reinhold Schneider
关键词：high nitrogen steels; heat treatment; corrosion; toughness;
摘 要：This paper gives a short introduction to the typical process route and material properties of these steels in comparison to standard martensitic corrosion-resistant steels. The typical response of these steels to various heat treatment parameters is shown and explained using the three grades M333, N360 and M340 (all made by Bohler Edelstahl GmbH) as examples, and the physical metallurgy of these steels and its consequences for practical heat treatment is explained. The correlation between tempering parameters and their effect on the toughness and corrosion properties is explained in particular detail, showing that these new steels not only offer far better property combinations under the usual heat treatment parameters than standard martensitic corrosion-resistant steels, but that they also open the door to extending heat treatment combinations and properties.
Roland Rabitsch1，Klaus Sammt1，Michael Haspel1，Reinhold Schneider2
(1.BOHLER Edelstahl GmbH, Kapfenberg, Austria;
2.ASMET-The Austrian Society for Metallurgy and Materials, Leoben, Austria;
3.University of Applied Sciences FH-Wels, Wels, Austria)
摘要:This paper gives a short introduction to the typical process route and material properties of these steels in comparison to standard martensitic corrosion-resistant steels. The typical response of these steels to various heat treatment parameters is shown and explained using the three grades M333, N360 and M340 (all made by Bohler Edelstahl GmbH) as examples, and the physical metallurgy of these steels and its consequences for practical heat treatment is explained. The correlation between tempering parameters and their effect on the toughness and corrosion properties is explained in particular detail, showing that these new steels not only offer far better property combinations under the usual heat treatment parameters than standard martensitic corrosion-resistant steels, but that they also open the door to extending heat treatment combinations and properties.
关键词:high nitrogen steels; heat treatment; corrosion; toughness;
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