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6063 aluminium profile extrusion homogenizing annealing process

When civil aluminium extrusion profiles production, high temperature homogenizing annealing specification of 6063 alloy are as follows: 560-20 ℃, heat preservation, 4 to 6 h, from forced air cooling or spray cooling way Water quenching.

Alloy homogenization treatment can improve the extrusion speed, compared with not homogenizing treatment of ingot, can make extrusion is reduced about 6% - 10%. Cooling rate after homogenization treatment has important influence on precipitation of organization behavior. Ingot of soaking, quick cold Mg2Si can almost all solid soluble in matrix, excess Si will be solid solution or exist in small particle dispersion precipitates. Such ingot can be fast extrusion under low temperature, and excellent mechanical properties and the surface brightness.

In the aluminium extrusion suppliers production, in order to fuel oil or gas heating furnace to replace the resistance furnace can be received obvious energy saving effect. Reasonably select type furnace, furnace burner and air circulation mode can get uniform and stable heating performance, achieve the goal of stability to improve the quality of the product.

Combustion type ingot heating furnace after a few years to run and continuous improvement, aluminium profiles have launched on the market at present furnace combustion efficiency higher than 40%. Combustion type ingot heating furnace after a few years to run and continuous improvement, has launched on the market at present furnace combustion efficiency higher than 40%.