The term "wrought mill products" applies to a series of bronze alloys that are first cast and then ready to be reworked by the rolling, drawing, extruding or forging processes. Each of these products starts with metal that has been cast into a form or shape that is suitable for further transforming into a specific product.
This alloy family is a free machining brass with a higher electrical and thermal conductivity than that of standard free machining brass. C31400 and C31600 both have natural corrosion resistance combined with the machinability of typical of leaded brasses as well as good cold workability.
Phosphor bronze is an alloy of copper containing 0.5–11% of tin and 0.01-0.35% phosphorus. The tin increases the corrosion resistance and strength of the alloy. The phosphorus increases the wear resistance and stiffness of the alloy. These alloys are notable for their toughness, strength, low coefficient of friction, and fine grain.
Aluminum bronzes are used for their combination of high strength, excellent corrosion and wear resistance. Aluminum bronze alloys typically contain 9-12% aluminum and up to 6% iron and nickel. Alloys in these composition limits are hardened by a combination of solid solution strengthening, cold work, and precipitation of an iron rich phase.
C65100 is an engineering alloy at least as resistant to corrosion as copper itself, but much stronger, and with good fatigue endurance. It is recognized for its brazeability, strength, corrosion resistance, and electrical properties. C65100 is also one of the most weldable copper alloys.
Manganese bronzes are the strongest and one of the most wear resistant alloys with high tensile strength, high yield strength, hardness and ductility similar to steel. In addition to their excellent mechanical properties, manganese bronzes are also corrosion resistant. C67300 and C67600 are typically known for their high impact resistance and excellent machinability.
BENEFITS OF WROUGHT PRODUCTS
Cold drawing of copper and copper alloys increases the strength, hardness and stiffness, while at the same time reduces the ductility of the material.
IMPROVED SIZE AND CONSISTENCY
Reduces machining losses
Dimensional consistency within each bar
Dimensional consistency from bar to bar
Tighter size and section tolerances
IMPROVED SURFACE FINISH
INCREASED MECHANICAL PROPERTIES
IMPROVE MACHINABILITY AND PRODUCTIVITY
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