The tensile strengths and yield strengths of Hastelloy C-276(UNS N10276) plates at elevated temperatures are provided in ASME Boiler and Pressure Vessel Code Section II Part D. These values, which are tabulated in below two tables, are provided for use in design calculations.

Temp.	Su
-20 to 100	100.0
200	100.0
300	100.0
400	97.7
500	95.7
600	93.9
650	93.1
700	92.4
750	91.7
800	90.9
850	90.2
900	89.4
950	88.5
1000	87.6

*Tensile strength, Su, ksi, for metal temperature, °F, not exceeding.

Temp.	Sy
-20 to 100	41.0
150	38.8
200	37.3
250	35.9
300	34.5
350	33.2
400	32.0
450	30.9
500	29.8
550	28.9
600	28.0
650	27.3
700	26.7
750	26.1
800	25.7
850	25.3
900	25.1
950	24.9
1000	24.8

*Yield strengths, Sy, ksi, for metal temperature, °F, not exceeding.