BRIGHTRAY Alloy C (UNS N06003)

Jul 9 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Applications

Introduction

BRIGHTRAY alloys are nickel-chromium alloys with a higher proportion of nickel. This alloy was first developed at Henry Wiggin and Co, Birmingham. BRIGHTRAY alloys are characterized by good corrosion resistance and ability to function even at elevated temperatures of 1050°C (1922°F).

BRIGHTRAY alloy C is known as electrical resistance alloy, and it consists of nickel and chromium as the principal elements. Rare-earth elements are added to the alloy in order to enhance its oxidation resistance even at frequently fluctuating temperatures. This alloy is able to function even at temperatures of 1150°C (2100°F). The temperature coefficient of resistance of this alloy is low. The standard form of this alloy is wire.

This datasheet will look into the chemical composition, properties and applications of BRIGHTRAY alloy C.

Chemical Composition

The chemical composition of BRIGHTRAY alloy C is given in the following table.

Element Content (%)
Nickel, Ni 75
Chromium, Cr 19-21
Manganese, Mn ≤2.5
Iron, Fe ≤1
Silicon, Si 0.75-1.75
Others Remainder

Physical Properties

The following table discusses the physical properties of BRIGHTRAY alloy C.

Properties Metric Imperial
Density 8.31 gm/cm3 0.300 lb/in3

Mechanical Properties

The mechanical properties of BRIGHTRAY alloy C are tabulated below.

Properties Metric Imperial
Tensile strength 760 MPa 110 ksi
Yield strength 330 MPa 47.9 ksi

Other Designations

Some of the other designations used to denote BRIGHTRAY alloy C are listed below:

  • UNS N06003
  • ASTM B 344
  • DIN 17742
  • Werkstoff Nr. 2.4869
  • MIL-C-5031
  • SAE AMS 5682

Applications

The BRIGHTRAY alloy C is used in the following applications:

  • Heating elements in domestic appliances
  • Industrial equipment
  • Control resistors.

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