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In the softened or annealed
condition, the brasses are ductile and strong but when hardened by cold
working techniques such as rolling or drawing, their strength increases
markedly. Strong, stiff structures can be assembled from extruded-and-drawn
sections. Bars and rolled sheet and plate can be fabricated into containers
and other items of plant which work under pressure.
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The strength of brasses is substantially
retained at temperatures up to around 200oC and reduces by only about 30% at
300oC which compares favourably with many alternative materials.
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The brasses are very suitable for use at
cryogenic temperatures since the properties are retained or slightly improved
under these operating conditions.
- For applications demanding higher strengths the "high
tensile brasses" are available. These contain additional alloying
elements which further improve the properties.
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