High-Temperature Structural Analysis of a Small-Scale PHE Prototype under the Test Condition of a Small-Scale Gas Loop

Table 3

Mechanical properties of Hastelloy-X alloy.

Average tensile data*
Form	Condition	Test temperature		Ultimate tensile strength		Yield strength at 0.2% offset		Elongation in 2 in. (50.8 mm)
		°F	°C	Ksi	MPa	Ksi	MPa	%
Sheet; 0.045–0.060 in.; (1.1–1.5 mm) thick	Bright annealed at; 2150°F (1177°C),; hydrogen cooled	Room		111.2	767	54.9	379	44
		1000	538	89.0	614	35.6	245	49
		1200	649	84.2	581	35.4	244	54
		1400	760	67.1	463	34.4	237	53
		1600	871	44.9	310	28.1	194	59
		1800	982	25.6	177	13.2	91	66
		2000	1093	14.0	97	6.3	43	60

*Strain rate was 0.005-inch/inch/minute to 0.2% yield point and 0.5-inch/inch/minute to failure.