Ultrasonic detection of hydrogen in pipeline steel
โ Scribed by P. Senior; J. Szilard
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 278 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0041-624X
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๐ SIMILAR VOLUMES
In the presence of H 2 S, metallic materials, such as carbon and low alloy steels, may suffer hydrogen damage and hydrogen embrittlement. Gas transporting pipes in low temperature environment, during the shutdown and the subsequent re-starting operations, are exposed to very low temperatures (T=-40ยฐ
The comparative assessment of local fracture initiation at notches in API grade pipeline steels: X52, X70 and X100 have been done for conditions of electrochemical hydrogenating. The factor of hydrogen concentration in metal was taken into account. The relationship between hydrogen concentration in