Aluminum profile and heating processing technology thereof
An aluminum profile, soaking heat treatment technology, applied in the field of aluminum profile processing, can solve the problems of insufficient fracture toughness and fatigue performance, low strength of aluminum profiles, etc., and achieve the effect of improving performance and metallographic structure
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[0024] Example:
[0025] like figure 1 As shown, an aluminum profile, the aluminum profile 1 is a circular shape, the inner diameter of the circular aluminum profile 1 is 31.4 mm±0.2; the wall thickness of the circular aluminum profile 1 is 3.6 mm; and the composition The mass percentage of each component of the aluminum alloy of the aluminum profile is:
[0026]
[0027] like figure 2 As shown, a heat treatment process for an aluminum profile adopts the above-mentioned raw material ratio, and the heat treatment process includes the following steps:
[0028] (1) Smelting and casting the raw aluminum ingots: the casting speed is 85-95mm / min; the casting temperature is 715-730°C; the cooling water pressure is 0.04-0.08MPa;
[0029] (2) Soaking heat treatment: Soak the aluminum ingot after smelting and casting in step (1);
[0030] (3) Long ingot hot shearing: carry out long ingot hot shearing treatment on the aluminum ingot after soaking treatment;
[0031] (4) Extrusio...
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