Nimonic 75
Nimonic 75
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Nimonic 75
Alloy 75 (UNS N06075, Nimonic 75) is a 80/20 nickel-chromium alloy with controlled additions of titanium and carbon. Nimonic 75 has good mechanical properties and oxidation resistance at high temperatures. Alloy 75 is most commonly used for sheet metal fabrications which require oxidation and scaling resistance together with medium strength at high operating temperatures. Alloy 75 (Nimonic 75) is also used in gas turbine engines, for components of industrial furnaces, for heat treating equipment and fixtures, and in nuclear engineering.
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  • Introduction
  • Applications
Chemical Composition:

Chemical Composition Limits

Weight%

Ni

Cr

Ti

C

Si

Cu

Fe

Mn

Alloy 75
Nimonic 75

Bal

18.9 - 21.0

0.2 / 0.6

0.08 / 0.15

1.0 max

0.5 max

5.0 max

1.0 max

Mechanical Properties:

Properties

Metric

Imperial

Tensile strength(annealed)

750 MPa

109 ksi

Yield strength(annealed)

275 MPa

40 ksi

Elongation at Break

42%

42%

Modulus of Elasticity

206 GPa

29878 ksi



Standard of execution:

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

The NIMONIC alloy 75 is used in the following applications:

Aerospace fasteners

Gas turbine engineering

Industrial furnace structural parts

Heat treatment equipments

Nuclear engineering.
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