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Showing 1 to 6 of 6 for “"Line-pipe steel"”.
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The effect of pre-strain on the fracture toughness of line pipe steel
Oil and gas pipelines are designed using recognised pipeline design codes, which typically limit the applied stresses and strains to below yield. Pipelines may be subjected to higher plastic strains before they enter service and during operation, either intentionally, as a result of the method of …
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Characterization of High-Speed Ductile Crack Propagation and Arrest in Line-Pipe Steel Specimens
Made available in DSpace on 2014-12-12T00:25:54Z (GMT). No. of bitstreams: 1 7405667.pdf: 3842033 bytes, checksum: 505dc11463b486dcec6aa51124769a09 (MD5) Previous issue date: 1973
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Thermomechanical factors influencing weld metal hydrogen assisted cold cracking
… of stress and poses a significant threat to pipeline girth weld integrity, in particular the root pass of girth welds. This thesis explores the thermomechanical factors influencing the formation of Weld Metal Hydrogen Assisted Cold Cracks (WMHACC) in High Strength Low Alloy line pipe steel …
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The Effect of Niobium in the Heat-affected Zone of Microalloyed Steel
… of thermomechanically processed Nb microalloyed linepipe steels is destroyed in the vicinity of welds used in fabricating pipelines. There are conflicting views on the influence of niobium in the `heat-affected zone', particularly in the region closest to the weld fusion line which is most …
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Elevated temperature mechanical properties of line pipe steels
… temperature on the tensile properties of four line pipe steels were evaluated. The four materials include a ferrite-pearlite line pipe steel with a yield strength specification of 359 MPa (52 ksi) and three 485 MPa (70 ksi) yield strength acicular ferrite line pipe steels. Deformation behavior, …