Copper Alloy (UNS C81540)

Jul 16 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

Copper combines with a wide range of alloying elements to produce alloys such as copper-nickel, aluminum bronze, nickel silver, tin bronze, etc. The addition of alloying elements in turn improves corrosion and wear resistance, and machinability.

The following datasheet discusses the chemical composition and properties of copper UNS C81540.

Chemical Composition

The chemical composition of copper UNS C81540 is given in the following table.

Element Content (%)
Copper, Cu 95.6 - 97.5
Nickel, Ni 2 - 3
Silicon, Si 0.40 - 0.80
Chromium, Cr 0.10 - 0.60

Physical Properties

The following table discusses the physical properties of copper UNS C81540.

Properties Metric Imperial
Density 8.9 g/cm3 0.323 lb/in3

Mechanical Properties

The mechanical properties of UNS C81540 copper wires are tabulated below.

Properties Metric Imperial
Tensile strength ≥ 550 MPa ≥ 79800 psi
Yield strength ≥ 4 50 MPa ≥ 65300 psi
Elongation ≥ 15% ≥ 15%
Brinell hardness 192 192

Thermal Properties

The following table discusses the thermal properties of copper UNS C81540.

Properties Metric Imperial
Thermal conductivity 216 W/mK 125 BTU in/hr.ft2.°F
Coefficient of thermal expansion 17.5 µm/m°C 9.70 µin/in°F

Applications

Copper UNS C81540 finds application in:

  • Cores and cavities for injection molds
  • Flash weld dies
  • Molds for plastic parts
  • Resistance welding wheels
  • Tip welding and stud welding collets
  • Blow pins and pinch offs for blow mold.

Tell Us What You Think

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

Leave your feedback
(Logout)
Your comment type
Submit

Sponsored Content

Editorial Highlights

The Current State of the Global Semiconductor Market

The Current State of the Global Semiconductor Market

The global semiconductor market has entered an exciting period. Demand for chip technology is both driving the industry as well as hindering it, with current chip shortages predicted to last for some time. Current trends will likely shape the future of the industry, which is set to continue to show

How are Graphene Batteries Made?

How are Graphene Batteries Made?

The primary distinction between graphene-based batteries and solid-state batteries lies in the composition of either electrode. Although the cathode is commonly changed, carbon allotropes can also be employed in fabricating anodes.

Newsletters you may be interested in

See all Newsletters »

Terms

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.

Provide Feedback