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Temperature Dependence of Yield Strength of Hastelloy C-276

The yield strength of Hastelloy C-276 (UNS N10276) is temperature dependent: as the temperature elevated, its yield strength also gradually decreases. The ASME BPVC Section II Part D has prescribed a series of yield strengths of Hastelloy C-276 materials at elevated temperatures which are listed in below table.

*Temp.: metal temperature, °F, not exceeding; *Y.S: yield strength, ksi.
*The tabulated values are applicable to ASTM B366 Gr. N10276 seamless or welded fittings, ASTM B462 & B564 Gr. N10276 forgings, ASTM B574 Gr. N10276 rods, ASTM B575 Gr. N10276 plates, sheets, strips, ASTM B619 Gr. N10276 welded pipes, ASTM B622 Gr. N10276 seamless pipes & tubes, ASTM B626 Gr. N10276 welded tubes.
*All materials shall be solution annealed.



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