Bronze UNS C22000

Aug 8 2012

Topics Covered

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

Introduction

The UNS C22000 bronze is suitable for cold forming. It is a commercial bronze. The following datasheet gives details about the UNS C22000 bronze.

Chemical Composition

The following table shows the chemical composition of the UNS C22000 bronze.

Element Content (%)
Cu 90
Zn 10

Physical Properties

The physical properties of the UNS C22000 bronze are tabulated below.

Properties Metric Imperial
Density 8.8-8.94 g/cc 0.317-0.322 lb/in3
Melting point 1021°C 1870°F

Mechanical Properties

The mechanical properties of the UNS C22000 bronze are outlined in the following table.

Properties Metric Imperial
Poisson's ratio 0.34 0.34
Elastic modulus 117 GPa 17000 ksi

Other Designations

Other designations that are equivalent to the UNS C22000 bronze are given in the following table.

ASTM B130 ASTM B135 ASTM B587 MIL B-20292 MIL W-85
ASTM B131 ASTM B36 ASTM B694 MIL C-3383 QQ W321
ASTM B134 ASTM B372 MIL B-18907 MIL W-6712 SAE J461
SAE J463

Fabrication and Heat Treatment

Machinability

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The machinability rate of the UNS C22000 bronze is 30.

Welding

Brazing, soldering, gas shielded arc welding, butt welding, and gas shielded arc welding are various methods used for welding the UNS C22000 bronze. It is suggested that spot welding and coated metal arc welding methods are not used for welding this alloy.

Forging

The UNS C22000 bronze can be forged at 760 to 871°C (1400 to 1600°F).

Hot Working

The UNS C22000 bronze has good hot forming capacity.

Cold Working

The UNS C22000 bronze has good cold working capacity.

Annealing

The UNS C22000 bronze is annealed at temperatures ranging from 427 to 788°C (800 to 1450°F).

Applications

The UNS C22000 bronze can be used in decorative items, corrosion-resistant products, and fasteners.

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