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What’s the hardness is aluminum alloy 6061T6?

May 11,2023

Aluminum alloy 6061-T6 hardness is HB90-95 degrees; 2, T5 treatment hardness is HB95: so 6061-T5 hardness is higher than 6061-T5 hardness;

3. 6061 aluminum alloy is a high quality aluminum alloy product produced by heat treatment and predrawing process.

Although its strength can not be compared with 2XXX series or 7XXX series, its magnesium and silicon alloy characteristics are more. It has excellent machining performance, excellent welding characteristics and electroplating properties, good corrosion resistance, high toughness and no deformation after processing, dense material without defects and easy polishing, easy color film, excellent oxidation effect and other excellent characteristics.

Mg-al 6061-T651 is the main alloy of Series 6 alloy, which is a high quality aluminum alloy product after heat treatment and predrawing process; Magnesium Aluminum 6061 has excellent machining performance, good corrosion resistance, high toughness and no deformation after processing, easy color film, excellent oxidation effect and other excellent characteristics. Main Applications: Widely used in various industrial structural parts requiring a certain strength and high corrosion resistance, such as manufacturing trucks, tower buildings, ships, trams, railway vehicle

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2.2, its types: T3- cold processing after solid solution heat treatment, and then, after natural aging to a basically stable state. It is suitable for cold working, or straightening and leveling to improve the strength of the products after the solid solution heat treatment. T4-solution heat treatment after natural aging to a basically stable state. Suitable for solid solution heat treatment, no longer cold processing (can be straightened, levelling, but does not affect the mechanical properties limit), and then natural aging products.

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T5- A state cooled by a high temperature forming process and then artificially aged. It is suitable for the products of artificial aging after cooling by high temperature forming process, without cold processing (can be straightened and levelled, but does not affect the mechanical property limit). T6- The state of artificial aging after solution heat treatment. It is suitable for the products of artificial aging after the solid solution heat treatment, no longer cold processing (can be straightened and levelled, but does not affect the mechanical property limit).

T7- State of artificial aging after solution heat treatment. It is suitable for the products whose strength exceeds the peak point on the aging curve in order to obtain some important properties after the solid solution heat treatment. T8- A state in which solid solution heat treatment is followed by cold working followed by artificial aging. Suitable for cold processing, or straightening, leveling to improve the strength of the product

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