Copper Alloy C61300

Principal Design Features

Bronzes (Copper-Aluminum), 7%. C61300 has good formability.


Applications include valve and pump components for industrial process streams, as well as for marine equipment, high strength fasteners and pole line hardware.


The machinability rating of this alloy is 30. (Where Alloy 360 FC Brass is 100).


Soldering is “not recommended”, brazing is rated as “fair”, oxyacetylene welding is “not recommended”, gas shielded arc welding is rated as “excellent”, coated metal arc welding is rated as “good”, spot welding is rated as “good”, seam welding is rated as “good”, and butt welding is rated as “good”.


The hot forgeability rating of this alloy is 50. (Forging Brass=100). The recommended hot working temperature for this alloy is between 1450 and 1700 F.

Hot Working

This alloy’s capacity for being hot formed is “good”.

Cold Working

The capacity for cold working this alloy is rated as “good”.


The annealing temperature for this alloy is between 1125 and 1600 F.

Density: 0.287

Electrical Resistivity: 86.8

Melting Point: 1905

MoETensile: 17000


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