Inconel X – 750

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Inconel X – 750

 

Alloy X-750 is a precipitation-hardenable alloy which has been used in applications such as high temperature structural members for gas turbines, jet engine parts, nuclear power plant applications, heat-treating fixtures, forming tools, and extrusion dies. The alloy is highly resistant to chemical corrosion and oxidation and has high stress-rupture strength and low creep rates under high stresses at temperatures up to 1500°F (816°C) after suitable heat treatment. Inconel-x750


Physical Properties

Density
lb/cu in……………………………….. 0.300
kg/cu m……………………………….. 8303
Melting Range
°F…………………………………. 2540/2600
°C…………………………………..1393/1427


Thermal Conductivity

Temperature Btu-in/ft²-hr-°F W/m-K
°F °C
300
600 
1000 
1200 
1400
1600
149 
316 
538 
649 
760 
871
117 
142 
184
199 
218 
245
16.9 
20.5
26.5
28.7
31.4 
35.3

Typical Mechanical Properties

Room Temperature Mechanical Properties

Temper

Tensile Strength,
psi

Yield Strength
0.2% offset, psi

Elongation
in 2″, %

Hardness,
Brinell

Hot-finished + 1300°F/20 hr,A.C

Hot-finished + Annealed
1800°F/1 hr, A.C + 1350°F/
8 hr, F.C. 100°F/hr to 
1150°F (total 18 hr), A.C.

Hot-finished + 1625°F/24 hr,
A.C + 1300°F/20 hr, A.C.

Cold-rolled, annealed +
1300°F/20 hr, A.C.

170,000-206,000

162,000-193,000

160,000-188,000

160,000-197,000

120,000-163,000

115,000-142,000

100,000-135,000

105,000-150,000

25-15

30-15

30-15

30-20

313-400

300-390

302-363

300-400