Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 3American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 12
... steel . T.W. Lau et al [ 20 ] , however , observed the smallest grain size in Ti- microalloyed steel when it was further microalloyed with V and Nb together compared to Ti - V and Ti - Nb steel grain sizes . D.J. Sparkes [ 25 ] has ...
... steel . T.W. Lau et al [ 20 ] , however , observed the smallest grain size in Ti- microalloyed steel when it was further microalloyed with V and Nb together compared to Ti - V and Ti - Nb steel grain sizes . D.J. Sparkes [ 25 ] has ...
Page 76
... STEEL 30 30 00 20 20 10 00 a ) O O 80 B D STEEL b ) • O As - welded • PWHT HARDNESS , HV 5 kg load 290 Weld Fusion zone Heat Affected Zone ! Base Metal 270 Minimum Requirement 80 250 230 Alm 210 100 170 Steel B A Steel C Steel D Steel !
... STEEL 30 30 00 20 20 10 00 a ) O O 80 B D STEEL b ) • O As - welded • PWHT HARDNESS , HV 5 kg load 290 Weld Fusion zone Heat Affected Zone ! Base Metal 270 Minimum Requirement 80 250 230 Alm 210 100 170 Steel B A Steel C Steel D Steel !
Page 77
... Steel J possessed high- temperature strength similar to the reference Steel X ( A 710 ) , as shown in Figure 9a . However , Steel J had much better high - temperature ductility than Steel X , Figure 9b , indicative of greater resistance ...
... Steel J possessed high- temperature strength similar to the reference Steel X ( A 710 ) , as shown in Figure 9a . However , Steel J had much better high - temperature ductility than Steel X , Figure 9b , indicative of greater resistance ...
Contents
WELD METAL AND HAZ PROPERTIES | 1 |
ADVANCES IN STEEL AND WELDING | 65 |
Development of HSLA Steel With 80Ksi Yield Strength for Offshore Tubular Applications | 73 |
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amplitude analysis applied assessment austenite axial load base metal behaviour bending bolt bolted joint brace brittle calculated CGHAZ chord composite compression crack depth crack front CTOD curve defects delamination diameter duplex effect elastic elastomer energy equations experimental failure fatigue crack growth fatigue tests ferrite finite element flexelement fracture mechanics fracture toughness fume Geesthacht geometry grain heat affected zone heat input HNBR HSLA Steels hydrogen hyperbaric increase interaction laminate layer metal yield strength method microstructure nitrogen notch obtained Offshore Structures OMAE parameters pipe plastic predictions preferential corrosion pressure procedure properties ratio region shear Shielding gas shown in Figure specimens stainless steels strain stress concentration stress intensity factors stress range surface crack T-joint Table temperature tensile strength tension thermal cycle thickness thread tubes tubular joints underwater values weld toe welded joints weldment wire yield strength zone