According to the product type, it can be divided into

6061 metal aluminum alloy belongs to 6000 series metal aluminum alloy. The main alloying elements of 6061 aluminum alloy are magnesium and silicon, and form Mg2Si phase. If it contains a certain amount of manganese and chromium, it can neutralize the bad effect of iron; sometimes a small amount of copper or zinc is added to improve the strength of the alloy without making its corrosion resistance significantly reduced; there is a small amount of copper in the conductive material to offset the bad effect of titanium and iron on the conductivity; zirconium or titanium can refine the grain and control the recrystallization organization; in order to improve the machinability, lead and bismuth can be added. In Mg2Si solid solution in aluminum, so that the alloy has artificial aging hardening function. 6061 aluminum alloy in the main alloy elements are magnesium and silicon, with medium strength, good corrosion resistance, weldability, oxidation effect is good.

Aluminum 6061 has excellent processing performance, good corrosion resistance, high toughness and no deformation after processing, easy color film, excellent oxidation effect and other excellent features.

The main alloying elements of 6061 aluminum alloy are magnesium and silicon, mainly in the shape of aluminum plate, generally have T6, T4 and other states, 6061 aluminum plate hardness reaches 95 or more, widely used in machining industry, production can add a small amount of copper or zinc, in order to improve the strength of the alloy, without making its corrosion resistance has a significant reduction; conductive materials and a small amount of copper, in order to offset the titanium and iron on the conductivity of 6061 requires a certain strength, weldability, high corrosion resistance of industrial structural parts. 6061 aluminum plate requires a certain strength, weldability and high corrosion resistance of a variety of industrial structural properties, such as the manufacture of trucks, towers, ships, trams, furniture, mechanical parts, precision machining with the tube, bar, shaped material, plate.

Chemical composition of 6061 metal aluminum alloy

  • Si ( Silicon ): 0.40-0.8
  • Cu ( Copper ): 0.15-0.40
  • Mg ( Magnesium ): 0.8-1.2
  • Zn ( Zinc ): ≤0.25
  • Mn ( Manganese ): ≤ 0.15
  • Cr ( Chromium ): 0.04-0.35
  • Fe ( Iron ): ≤ 0.7
  • Ti ( Titanium ):≤0.15
  • Other:≤0.05
  • Other total: ≤0.15
  • Al ( Aluminum ): remaining all

6061 metal aluminum alloy mechanical properties:

  • Tensile strength σb (MPa):≥180
  • Yield strength σ0.2 (MPa):≥110
  • Elongation δ5 (%):≥14

The applications of 6061 metal aluminum alloy

Manufacture of trucks, tower buildings, ships, trams, furniture, machine parts, precision machining, etc., die-forged crankshaft parts, machine parts, high-impact resistant extrusions, threaded high-stress parts' extruded structural parts for vehicles, complex-shaped forgings and die-forged parts, etc.

6061 T6 vs 6061 T651

The difference between T6 and T651 is that in general, the internal stress of T6 will be larger and the processing will be deformed, the most suitable state for processing should be T651, which is stretched on the basis of T6 to eliminate internal stress.

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