Copper Alloy (UNS C70700)

Jul 11 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Applications

Introduction

UNS C70700 is a copper-nickel alloy or cupronickel belonging to a copper alloy group. The nickel content in these alloys enables them to maintain their strength at high temperatures. The properties of copper-nickel alloys differ with the composition. For example, the addition of iron improves the alloy’s strength and provides better resistance to corrosion caused by seawater.

The following datasheet discusses the chemical composition and properties of copper UNS C70700.

Chemical Composition

The chemical composition of copper UNS C70700 is given in the following table.

Element Content (%)
Nickel, Ni 9.5-10.5
Iron, Fe 0.05 max
Manganese, Mn 0.05 max
Copper, Cu Balance

Physical Properties

The following table discusses the physical properties of copper UNS C70700.

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

Applications

Copper UNS C70700 is widely used in automotive and marine applications.

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