Wrought alloys 

Aluminum Alloy 6005A

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Chemical composition

Nominal chemical composition

Al-0,7Si-0,6Mg-Mnsr

Normalized chemical composition

Table 1 – The chemical composition of 6005A aluminum alloy in accordance with EN 573-3

alloy designation

  • EN 573-3: EN AW-6005A и EN AW-Al SiMg(A)
  • Международная регистрация (Teal Sheats – Aluminum Association): 6005A
  • Unified Numbering System (UNS): А96005A
  • ISO 209:2007: 6005A
  • DIN 1725-1 (отменен): AlMgSi0,7 и 3.3210

Metallurgical characteristics

  • Wrought
  • Thermally hardenable
  • It refers to alloys with an average level of strength
  • The strengthening component is the intermetallic compound Mg2Si. When the proportion of the nominal chemical composition of this compound is 0,9 %, wherein the excess silicon content is 0,4 %.
  • Manganese and chromium provide resistance to crystallization, что обеспечивает контроль морфологии и размера зерна в ходе термических обработок в технологическом цикле [2]
  • Типичное состояние материала – Т6: прессованные профили охлаждают водой после нагрева под закалку при 530 ºC and artificial aging at 175 ° C within 8 часов [2]
  • Location 6005A alloy among other alloys 6xxx series – look. picture below.

Typical applications

  • Extruded profiles and pipes, which require a higher level of strength, than can provide alloy 6063
  • stairs
  • frame details, seats and suspension of passenger cars

strength properties

Normalized mechanical properties

Table 2 – Requirements for mechanical properties of the alloy 6005A in EN 755-2

Typical mechanical properties

Tensile strength

Table 3 – Типичные механические свойства сплава 6005А [2]

 

 

 

 

yield strength 0,2 %

See. table 3.

Relative extension

See. table 3.

Physical properties

Density

2,70 g / cm3 at 20 ° C

thermal properties

Interval melting temperature

605 – 655 ° C

Coefficient of thermal expansion

Linear: 23,6 μm / (m ° C) in the range from 20 by 100 ° C.

Technological properties

  • Прессуемость: средняя
  • Механическая обработка резанием: от средней до посредственной
  • Свариваемость: хорошая
  • Формуемость: средняя

alloy modification

  • Alloy 6005, base
  • Cplav 6005B.

Sources:

  1. Aluminum and Aluminum Alloys, ed. J. R. Quote - AMS International, 1993
  2. Aluminium & Car: design, technology, innovation – Edimet Spa, 2005

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