Transcription of alloy X-750
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INCONEL alloy alloy X-750 (UNS N07750/W. Nr. )is a precipitation-hardenable nickel-chromium alloyused for its corrosion and oxidation resistance and highstrength at temperatures to 1300 F. Although much ofthe effect of precipitation hardening is lost withincreasing temperature over 1300 F, heat-treatedmaterial has useful strength up to 1800 F. alloy X-750also has excellent properties down to cryogenictermperatures. Composition is shown in Table economics of INCONEL alloy X-750 coupledwith its availability in all standard mill forms hasresulted in applications in a wide variety of industrialfields. In gas turbines, it is used for rotor blades andwheels, bolts, and other structural members.
Figure 2. High-temperature fatigue strength (108 cycles) of bar. Rotating-beam tests (3450 rpm). ess, ksi Stress, ksi Time, hr Temperature, °F The results of two series of tests of high-temperature tensile properties are shown in Tables 7 and 8. Relaxation data are in Figure 1. Fatigue strength of equalized plus precipitation-treated
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