Nickel Alloy 115

Jul 8 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications

Introduction

Nickel alloy 115 is a nickel-chromium-cobalt based alloy with similar properties to nickel alloy 105. However, the alloy can be strengthened with the additions of titanium, aluminum and molybdenum. The alloy has excellent creep resistance at temperatures up to about 1010°C.

The following datasheet will discuss in detail about nickel alloy 115.

Chemical Composition

The chemical composition nickel alloy 115 is outlined in the following table.

Element Content (%)
Nickel, Ni 54
Chromium, Cr 14 - 16
Cobalt, Co 13 - 15.5
Aluminum, Al 4.5 - 5.5
Titanium, Ti 3.5 - 4.5
Molybdenum, Mo 3-5
Iron, Fe ≤1
Manganese, Mn ≤1
Silicon, Si ≤1
Copper, Cu ≤0.2
Zirconium, Zr ≤0.15
Carbon, C 0.12-0.2
Sulfur, S ≤0.015
Boron, B 0.01-0.025

Physical Properties

The following table shows the physical properties of nickel alloy 115.

Properties Metric Imperial
Density 7.85 g/cm3 0.284 lb/in3
Melting point 1290-1345°C 2350-2453°F

Mechanical Properties

The mechanical properties of nickel alloy 115 are displayed in the following table.

Properties Metric Imperial
Tensile strength (precipitation hardened) 1300 MPa 189000 psi
Yield strength (precipitation hardened) 850 MPa 123000 psi
Elongation at break (precipitation hardened) 25% 25%

Thermal Properties

The thermal properties of nickel alloy 115 are given in the following table

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 12 µm/m°C 6.67 µin/in°F
Thermal conductivity 10.6 W/mK 73.6 BTU.in/hrft².°F

Other Designations

Other designations that are equivalent to nickel alloy 115 include the following:

  • BS HR4
  • AFNOR NCK 15 ATD
  • AECMA Pr EN 2196
  • AECMA Pr EN 2197
  • Werkstoff Nr. 2.4636

Applications

The nickel alloy 115 is mainly used to manufacture aircraft gas turbines.

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