Hot mechanical properties of 24Cr-14Ni high alloy billets

D. Y. Lin; S. A. Su; T. C. Chang; Y. F. Chen

doi:10.1002/srin.200606132

Hot mechanical properties of 24Cr-14Ni high alloy billets

D. Y. Lin, S. A. Su, T. C. Chang, Y. F. Chen

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

24Cr-14Ni alloys have gained importance in high temperature applications. Because of δ-ferrite and o phase formation, 24Cr-14Ni austenitic stainless steel billets are difficult to hot work. The mechanical properties at high temperature of such stainless steels are investigated on a hot tensile test machine according to hot-rolling conditions, under different time and temperature regimes. These 24Cr-14Ni stainless steels were also hot rolled under various reduction ratios. The influences of the reduction ratio on the hot mechanical properties and phase transformation from δ-ferrite into a phase in 24Cr-4Ni stainless steels are discussed in detail. The results obtained can be a contribution to improve the hot rolling of this high alloy stainless steel.

Original language	English
Pages (from-to)	59-63
Number of pages	5
Journal	Steel Research International
Volume	77
Issue number	1
DOIs	https://doi.org/10.1002/srin.200606132
Publication status	Published - 2006 Jan

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Physical and Theoretical Chemistry
Metals and Alloys
Materials Chemistry

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10.1002/srin.200606132

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AU - Su, S. A.

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N2 - 24Cr-14Ni alloys have gained importance in high temperature applications. Because of δ-ferrite and o phase formation, 24Cr-14Ni austenitic stainless steel billets are difficult to hot work. The mechanical properties at high temperature of such stainless steels are investigated on a hot tensile test machine according to hot-rolling conditions, under different time and temperature regimes. These 24Cr-14Ni stainless steels were also hot rolled under various reduction ratios. The influences of the reduction ratio on the hot mechanical properties and phase transformation from δ-ferrite into a phase in 24Cr-4Ni stainless steels are discussed in detail. The results obtained can be a contribution to improve the hot rolling of this high alloy stainless steel.

AB - 24Cr-14Ni alloys have gained importance in high temperature applications. Because of δ-ferrite and o phase formation, 24Cr-14Ni austenitic stainless steel billets are difficult to hot work. The mechanical properties at high temperature of such stainless steels are investigated on a hot tensile test machine according to hot-rolling conditions, under different time and temperature regimes. These 24Cr-14Ni stainless steels were also hot rolled under various reduction ratios. The influences of the reduction ratio on the hot mechanical properties and phase transformation from δ-ferrite into a phase in 24Cr-4Ni stainless steels are discussed in detail. The results obtained can be a contribution to improve the hot rolling of this high alloy stainless steel.

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Hot mechanical properties of 24Cr-14Ni high alloy billets

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