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Alloy 75

A nickel-chromium grade, Alloy 75 has good mechanical properties and resistance to oxidation at high temperature.

Alloy 75 is an 80/20 nickel – chromium alloy. First introduced in the 1940’s for turbine blades in Whittle Jet Engines, it is now widely used where oxidation and scaling resistance is required, coupled with medium strength at high temperatures.

Inventory

Product formSize range fromSize range to
Alloy 75 round bar8 mm160 mm
Alloy 75 sheet & plate0.6 mm3 mm

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Sheet & Plate

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Round Bar

Chemical Analysis

%NiCrFeMnCSiPhTiCu
MinBalance18000.08000.20
MaxBalance21510.1510.030.60.50

Applications

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Alloy 75 can be used in a variety of applications, here are just a few examples:

  • Aerospace sheet metal fabrication
  • Gas turbine engine components
  • Industrial furnace components
  • Heat-treating equipments and fixtures
  • Nuclear engineering

About Alloy 75

Alloy 75 is made up of nickel and chromium. The alloy is known for its outstanding performance at high temperature where creep stress-rupture properties are not critical. Titanium is added to increase the overall strength of the alloy. Alloy 75 is primarily used in low stress, elevated temperature applications which require some oxidation resistance.

Alloy 75 is used for numerous fabricated components in both the aerospace and gas turbine industries. Alloy 75 is popular due to its ease of fabrication and the fact that it’s readily formed.

 

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Properties

Density:
8.37g/cm³
Melting Range:
1340-1380°C
Hardness:
HRB
Specific Heat Capacity:
461 J/kg.°C
Electrical Resistivity:
1.09 µΩ.m
Curie Temperature:
°C

Specifications

UNS Number:
N06075
W.Nr.Number:
2.4951, 2.4630
Standards:
ASTM B637, MSRR 7004, 7022, 7063, 7070, 7162, 7193, 7952, BS: HR 203, 3HR1, HR3, HR4, BS4HR 601
Download the Alloy 75 Data Sheet Download

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