Inconel X750
Inconel X750
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Inconel X750
Alloy X-750 is a nickel-chromium alloy which has been made precipitation-hardenable by the additions of aluminum and titanium. Alloy X-750 has good resistance to corrosion and oxidation along with high tensile and creep rupture properties at temperature up to 1300ºF (700ºC). Due to X-750's excellent relaxation resistance it is useful for applications as high-temperature springs and bolts, X-750 is also used in gas turbines, rocket engines, nuclear reactors, pressure vessels, tooling and aircraft structures.
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Chemical Composition:

Grade

%

Ni

Cr

Fe

Nb

Co

C

InconelX-750

Min

Rest

14

5

0.7



Max

17

9

1.2

1

0.08

Mn

Si

S

Cu

Al

Ti

P





0.4

2.25


1

0.5

0.01

0.5

1

2.75

0.02

Physical Performance:

Density

8.25 g/cm³



Smelt Point

1395-1425



H*T

T*S

Y*S

El

Hardness

Rm N/mm2

RP0.2N/mm2

A5 %

HB

Solution

910

550

25

≤350



Form

ASTM

Rod

B 574

Plate, sheet and strip

B 575

Seamless pipe and tube

B 622

Welded pipe

B 619, B 775

Welded tube

B 626, B 751

Welding fitting

B 366

Forged or rolled pipe flange and forged fitting

B 462

Billet and bar for reforging

B 472

Forging

B 564

Inconel X-750 Characteristic as below:

Inconel 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 X-750 Corrosion resistance:

Inconel X-750 has excellent resistance to chloride ion stress-corrosion cracking. It exhibits satisfactory resistance to numerous oxidizing environments. The alloy has similar corrosion resistance to alloy 600 in many media.

Incoloy X-750 Application range and field:

Nuclear reactors

Gas turbines

Rocket engines

Pressure vessels

Inconel X-750 Machinability:

Conventional machining techniques used for iron based alloys may be used. This alloy does work-harden during machining and has higher strength and "gumminess" not typical of steels. Heavy duty machining equipment and tooling should be used to minimize chatter or work-hardening of the alloy ahead of the cutting.
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