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Alloy 188

NeoNickel > Alloys > Alloy 188

A cobalt-based alloy, Alloy 188 has excellent high temperature strength.

Alloy 188 combines excellent strength at high temperature, superb resistance to oxidising environments and good resistance to sulphate deposit hot corrosion. It is readily weldable with good hot and cold forming characteristics.

Inventory

Product form Size range from Size range to
Alloy 188 round bar 10 mm 168 mm
Alloy 188 sheet & plate 0.38 mm 50.8 mm
Alloy 188 welding wire 0.635 mm 2.36 mm

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    Welding Consumables

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Chemical Analysis

% Cr Ni Co W La B C Fe Mn Si P S
Min 20 20 - 13 0.02 - 0.05 - - 0.2 - -
Max 24 24 Balance 16 0.12 0.015 0.015 3 1.25 0.5 0.02 0.015

Applications

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Perfect for applications in the Aerospace industry

Alloy 188 can be used in a variety of applications including:

  • Gas turbine engine combuster cans
  • Spray bars
  • Flame holders
  • Afterburner liners

About Alloy 188

Alloy 188 is a cobalt-based superalloy with a unique combination of high temperature strength and oxidation resistance up to 1093°C, along with good post-aging. The alloy maintains its ductility after prolonged exposure to high temperatures.

Alloy 188 is also particularly resistant to sulphate-deposit hot corrosion.

Alloy 188 is readily fabricated, being welded by both manual and automatic methods including electron beam, gas tungsten arc and resistance welding.

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Properties

Density:
8.97 g/cm³
Melting range:
1302-1410°C
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Specifications

UNS Number:
UNS R30188
Werkstoff Number:
2.4683
Standards:
AMS 5608, AMS 5801, AMS 5772
Download the Alloy 188 Data Sheet Download
Download the Alloy 188 Data Sheet

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