Analysis of Weld Joint Characteristics in TMC Pipeline Steel of Grade API X65
Publish place: 18th Annual Conference of Mechanical Engineering
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME18_173
تاریخ نمایه سازی: 1 تیر 1389
Abstract:
This paper reports the results of recent investigation on weld joint properties in gas transportation pipeline steel of grade API X65, produced by thermo mechanical control rolled (TMC) schedules. This steel is largely used in Iran gas piping systems and networks. The results from laboratory study are used to measure and compare weldment mechanical characteristics and its chemistry with those specified by standard code (API 5L) for this particular steel. Additionally, microstructural evolution, standard SEM fractography, and mechanical properties of the weldment were experimentally analysed. The variation in hardness, tensile properties and Charpy impact toughness in different zones of the weld joint were determined, and compared with the expected requirements of according to API standard for X65 linepipe steel
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Authors
S. H. Hashemi
Department of Mechanical Engineering, the University of Birjand
D. Mohammadyani
Materials and Energy Research Center (MERC), Tehran, Iran
M. R. Jalali
Sadid Industrial Group,
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