Mechanical Properties of Vacuum Carbon-Deoxidized Thick-Wall 2[fraction one-quarter]Cr-1Mo Steel Forging

Kohno, Masateru; Makioka, Minoru; Kinoshita, Shushi; Suzuki, Akira

doi:10.1520/stp28417s

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“…Calculated X-(Bruscato) and J-(Watanabe) factors [20], presented in Table 1, reflect the ultra-low level of impurity elements present in the samples. As suggested by Kohno et al [21], the materials can be considered immune to temper embrittlement for the purpose of this work.…”

Section: Methodsmentioning

confidence: 99%

Effect of nickel on hydrogen permeation in ferritic/pearlitic low alloy steels

Husby

Iannuzzi

Johnsen

et al. 2018

International Journal of Hydrogen Energy

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Section: Methodsmentioning

confidence: 99%

Effect of nickel on hydrogen permeation in ferritic/pearlitic low alloy steels

Husby

Iannuzzi

Johnsen

et al. 2018

International Journal of Hydrogen Energy

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“…As seen in Table 1, the maximum values were 9.1 and 0.6, respectively, confirming a LAS with an extremely low level of impurities that could be considered, a priori, immune to temper embrittlement. 22…”

Section: Methodsmentioning

confidence: 99%

Effect of Nickel on the Hydrogen Stress Cracking Resistance of Ferritic/Pearlitic Low Alloy Steels

et al. 2018

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Nickel additions to low alloy steels improve mechanical and technological properties. However, part 2 of the ISO 15156 Standard limits the nickel content to a maximum of 1 wt% in oil and gas environments containing H2S due to controversial concerns regarding sulfide stress cracking. The objective of this work was to investigate the effect of nickel in solid solution in the ferrite phase on hydrogen stress cracking resistance. Ferritic/pearlitic research-grade low alloy steels with nominal nickel contents of 0, 1, 2 and 3 wt% were tested by the slow strain rate test method with cathodic hydrogen charging to-1.05 and-2 VAg/AgCl. No difference in fracture mode or morphology was found between the alloys. However, the plastic elongation ratios and reduction in area ratios decreased with increasing nickel content when tested at-2 VAg/AgCl. The direct and indirect effects of nickel, such as the influence of an increasing fraction of pearlite with increasing nickel content, are discussed.

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Mechanical Properties of Vacuum Carbon-Deoxidized Thick-Wall 2[fraction one-quarter]Cr-1Mo Steel Forging

Cited by 2 publications

References 0 publications

Effect of nickel on hydrogen permeation in ferritic/pearlitic low alloy steels

Effect of nickel on hydrogen permeation in ferritic/pearlitic low alloy steels

Effect of Nickel on the Hydrogen Stress Cracking Resistance of Ferritic/Pearlitic Low Alloy Steels

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