High-Strength Corrosion-Resistant Cryogenic Steel Alloyed with Nitrogen

被引：2

作者：

Kaputkina, L. M. ^{[1
]}

Svyazhin, A. G. ^{[1
]}

Smarygina, I. V. ^{[1
]}

Kindop, V. E. ^{[1
]}

Bazhenov, V. E. ^{[1
]}

机构：

[1] Natl Univ Sci & Technol MISiS, Moscow, Russia

来源：

METALLURGIST | 2016年 / 60卷 / 7-8期

关键词：

austenitic steels for low temperature; alloying with nitrogen; treatment; thermal stability; properties;

D O I：

10.1007/s11015-016-0369-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Comparative studies are provided for cryogenic austenitic steels. All of the steels studied may be used as cryogenic materials with increased strength. A new economic low-nickel steel Cr19Ni6Mn10Mo2N has the highest strength level in hot-rolled and cold-rolled conditions from the austenitic condition region, and this provides effective use within the Arctic and Antarctic climatic regions. This steel has a stable austenitic structure and quite good mechanical properties from +100 to -170A degrees C and at these temperatures may replace highly alloyed steel type Cr22Ni16Mn7N. Traditional steel Cr19Ni9N may only be used as cryogenic material for undeformable objects since below 70A degrees C strain-induced martensite may form within it.

引用

页码：802 / 809

页数：8

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