Lucon, E.
(2023),
Influence of Final Tempering Temperature on Side-Grooved Super-High Energy Charpy Specimens of 9310 Steel (Second Phase), NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.8465, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=936797 (Accessed May 4, 2026)
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Influence of Final Tempering Temperature on Side-Grooved Super-High Energy Charpy Specimens of 9310 Steel (Second Phase)
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Abstract
During Fiscal Year (FY) 2022, a study was conducted at NIST to identify the optimal combination of heat treatment (specifically, final tempering temperature) and side-groove depth for super high energy reference Charpy specimens of 9310 steel. During FY23, a second phase of this investigation took place, wherein two additional values of the final tempering temperature were tested, while keeping the side-groove depth at the value previously established (0.9 mm/side, corresponding to 18 % of the original thickness). In consideration of the overall activities performed, final recommendations concerning the final tempering temperature and the side-groove depth are formulated for future NIST reference specimens of super-high energy level, manufactured from 9310 steel.Citation
NIST Interagency/Internal Report (NISTIR) - 8465
Report Number
8465
NIST Pub Series
Pub Type
NIST Pubs
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Keywords
9310 steel, ASTM E23, final tempering temperature, Rockwell C hardness, side-groove depth, super-high energy Charpy specimens.
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Created May 3, 2023