Copper Alloys has a deep metallurgical understanding of these complex processes.
Wrought alloys start life in the foundry by being cast using our special vertical continuous casting process, or by being cast into weighty forging ingots.
The forging ingots are cast using our Quiescent Teaming System, specially designed to fill ingot moulds with non-turbulent flow, avoiding the formation of harmful metal oxide films and inclusions.
Solidification is controlled to ensure a good macrostructure free from secondary shrinkage and sufficient ingot top discard to fully remove the primary pipe which is the result of feeding solidification contraction.
These include press, hammer & rotary forging, strip and bar rolling, extrusion and closed die forging & ring-rolling.
The resulting products include bars (round, flat, square), stepped shafts, boss forgings, rings, blocks and complex shapes closed-die forged shapes.
Wrought products have greater soundness and integrity compared with cast products and have a higher combination of mechanical strength and toughness.
In the case of nickel aluminium bronze, the microstructure is less prone to selective phase attack compared with cast material.
Quicker, more efficient and on-time delivery
The risk of non-delivery is vastly reduced, often saving time and money.
High integrity
Actual material properties are reported.
Enhanced resistance to corrosion
Along with improved general performance.
Unknown actual component properties
Reported properties come from separately cast test piece.
Prone to metallurgical defects
Therefore an increased chance of failure.
No efficient method of volumetric inspection
Especially where joint quality is critical.
Are forgings are more expensive?
Due to the reliability of the production process, zero tooling costs and scalability of production, components made from forgings can be lower cost.
Do complicated shapes have to be castings?
With modern CNC machining techniques, it is possible to machine surprisingly complicated components from solid blocks of forged material.
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