Copper (UNS C47000)

May 23 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Other Designations
Fabrication
Applications

Introduction

UNS designations C40400 to C49080 are a group of copper alloys that fall under the category of tin brasses. Tin brasses possess many unique properties such as improved corrosion resistance, good hot forgeability, fair cold formability, lower cost, and slightly higher strength than regular brass.

Copper UNS C47000 is a tin brass wrought alloy. It is also known as a naval brass. The following datasheet discusses the chemical composition and properties of copper UNS C47000.

Chemical Composition

The chemical composition of copper UNS C47000 is given in the following table.

Element Content (%)
Copper, Cu 57 - 61
Tin, Sn 0.25 - 1
Lead, Pb 0.05 max
Aluminum, Al 0.01 max
Zinc, Zn Balance

Physical Properties

The following table discusses the physical properties of copper UNS C47000.

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

Other Designations

Analyze Your Metals | Request a Quote

Other designations that are equivalent to copper UNS C47000 include:

  • ASME SFA5.8
  • QQ B650

Fabrication

Machinability - The machinability of copper UNS C47000 alloy is rated at 30.

Welding – Various types of welding methods can be used on this alloy. Soldering and brazing are rated as excellent. Butt welding, spot welding, and oxyacetylene welding are rated as good, while seam welding and gas shielded arc welding are rated as fair. It should be noted that coated metal arc welding is to be avoided.

Forging - Copper UNS C47000 alloy has a hot forgeability rating of 90.

Hot working - Copper UNS C47000 alloy has excellent hot working abilities. The recommended hot working temperature ranges between 649 and 816°C (1200 and 1500°F).

Cold working - Copper UNS C47000 alloy has fair cold working properties.

Annealing - Copper UNS C47000 alloy is annealed at temperatures ranging from 427 and 593ºC (800 and 1100ºF).

Applications

Copper UNS C47000 finds applications in the following:

  • Marine construction
  • Salt and fresh water applications
  • Propeller shafts
  • Decorative fittings
  • Shafting
  • Turn buckles
  • Industrial applications - such as condenser plates, structural uses, welding rod, heat exchanger tube, valve stems, balls, aircraft turn buckle barrels, golf ball production, and dies.

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