Effect of heat treatments on the hydrogen embrittlement susceptibility of API X-65 grade line-pipe steel |
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| Authors: | G Ananta Nagu Amarnath T K G Namboodhiri |
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| Affiliation: | (1) Department of Metallurgical Engineering, Banaras Hindu University, 221 005 Varanasi, India;(2) Small Industries Service Institute, Industrial Estate, 221 006 Varanasi, India |
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| Abstract: | Delayed failure tests were carried out on hydrogen charged API X-65 grade line-pipe steel in as received (controlled rolled),
normalized, and quenched and tempered conditions. The resistance to hydrogen embrittlement was found in the order of controlled
rolled > quenched and tempered > normalized. The fracture mode in the hydrogen embrittled steel was ductile. |
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| Keywords: | Hydrogen embrittlement delayed failure HSLA steel controlled rolling |
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