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Keywords: tempering
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021404.
Published Online: January 13, 2012
... for the weld metal SFA-5.23 B9 (2004). For Grade 91 and Grade T92 using the highest tempering temperature permitted by ASME Code, 800 °C, would permit certain alloys conforming to the chemical composition specification to be tempered above their A 1 , thereby risking the formation of untempered martensite...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2012, 134(2): 021401.
Published Online: January 11, 2012
... specifications are stringent. Quenching and tempering (Q&T) can indeed provide better flexibility in terms of PWHT and improved toughness for given C eq and thickness. The case of Cr-Mo(-V) steels, which are widely used in the energy industry, is also addressed. Indeed, PWHT requirements for increasing...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2006, 128(4): 566–571.
Published Online: October 24, 2005
...Jinzhu Tan; Wenlong Huang; Y. J. Chao A kinetics model for temper embrittlement was employed as the basis for predicting the fracture appearance transition temperature (FATT) of 2.25Cr-1Mo steel used for hot-wall hydrofining reactors. Various heat treatments were performed to obtain different...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. August 2003, 125(3): 253–259.
Published Online: August 1, 2003
... of the flow formed tube. It could be concluded from this study that clean steel (electro slag refined) processed through hardening and tempering route with a maximum percentage reduction in thickness of 88 or less can give consistently very high strength of the order of 1250–1300 MPa for AISI 4130 steel...