Nickel 270 Alloy (UNS N02270)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Fabrication and Heat Treatment
     Machinability
Forming
Welding
Heat Treatment
Forging
Hot Working
Other Designations
Applications

Introduction

Nickel 270 alloy is a high purity nickel alloy that has high ductility and low base hardness. It is made by powder metallurgy. It contains 99.95% nickel in addition to traces of minor elements.

The following datasheet will discuss in detail about nickel 270 alloy.

Chemical Composition

The chemical composition nickel 270 alloy is outlined in the following table.

Element Content (%)
Nickel, Ni ≥99.9
Iron, Fe ≤0.050
Carbon, C ≤0.020
Copper, Cu ≤0.010
Titanium, Ti ≤0.0050
Silicon, Si ≤0.0050
Magnesium, Mg ≤0.0050
Manganese, Mn ≤0.0030
Sulfur, S ≤0.0030

Physical Properties

The following table shows the physical properties of nickel 270 alloy.

Properties Metric Imperial
Density 8.89 g/cm3 0.321 lb/in3
Melting point 1454°C 2649°F

Mechanical Properties

The mechanical properties of nickel 270 alloy are displayed in the following table.

Properties Metric Imperial
Tensile strength (annealed) 345 MPa 50000 psi
Yield strength (annealed) 110 MPa 16000 psi
Elongation at break (annealed) 50% 50%

Thermal Properties

The thermal properties of nickel 270 alloy are given in the following table

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 13.3 µm/m°C 7.39 µin/in°F
Thermal conductivity 86 W/mK 597 BTU.in/hrft².°F

Fabrication and Heat Treatment

Machinability

Nickel 270 alloy can be machined by conventional means using high-speed steel tooling.

Forming

The alloy can be formed by conventional means.

Welding

Nickel 270 alloy can be welded by conventional welding techniques.

Heat Treatment

Nickel 270 alloy can be heat-treated 816°C (1500°F) and air cooled.

Forging

The alloy can be forged at 704 to 1038°C (1300 to 1900°F).

Hot Working

Nickel 270 alloy can be hot-worked at temperatures of 704 to 1038°C (1300 to 1900°F).

Other Designations

Other designations that are equivalent to nickel 270 alloy include the following:

  • ASTM F1
  • ASTM F3

Applications

The following are the list of applications of nickel 270 alloy:

  • Fluorescent light components
  • Electronic cathodes or anodes
  • Resistance thermometers

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Your comment type
Submit