Experimental Study of Temper Embrittlement of 2.25Cr-1Mo-0.25V Steel Weld Metals

L.P. Song; Rong Lu Sun

doi:10.4028/www.scientific.net/AMM.513-517.3

Paper Titles

Preface

Experimental Study of Temper Embrittlement of 2.25Cr-1Mo-0.25V Steel Weld Metals
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Influence on the Microstructure of Pinion Steel with Different Cooling Rates after Normalizing
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W-Doped TiO₂ Preparation and Photocatalytic Degradation of Guaiacol
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517Experimental Study of Temper Embrittlement of...

Experimental Study of Temper Embrittlement of 2.25Cr-1Mo-0.25V Steel Weld Metals

Abstract:

We found that welding rod of the same trademark but different batch has distinct different tendency of brittleness when they are experienced step cooling embrittling treatment process.A series of 2.25Cr-1Mo-0.25V steel welds were prepared using the manual arc. The notch toughness properties were assessed in the PWHT condition and after a temper embrittlement step-cooling treatment. the J and X factors of the weld should be more rigorous than the base steel. low Mn and Si content weld metal is less susceptible to temper embrittlement. The temper embrittlement was evaluated as the shift of 54 Joule transition temperature (vTr54) by the Charpy v-notch impact tests. In the post-weld heat-treated condition (PWHT) the notch toughness requirement for weld metal is 54 J at-40°C .

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

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3-6

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.3

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Online since:

February 2014

Authors:

L.P. Song*, Rong Lu Sun

Keywords:

2.25Cr-1Mo-0.25V Steel, Step-Cooling Treatment, Temper Embrittlement, Welding

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