Features and applications:
4000 series aluminum alloy (Al-Si series) typical representative for 4043, 4343 aluminum alloy, specifically for welding materials. 4043 aluminum alloy has the characteristics of low melting point, good fluidity, good corrosion resistance and so on, which is very beneficial to avoid welding cracks. The Si content of 4343 aluminum alloy is higher than that of 4043 aluminum alloy. It has the characteristics of low melting point, narrow solidification range and good fluidity, which is conducive to the reduction of cracks of the reinforcing step when the weld is solidified. It is used as a composite brazing plate coating.
Standard control: Aluminum Institute of America (AA) 4043, UNS A94043, ISO R209 AlSi5; China GB 4A01(LT1); JIS A4043; Canada CSA S5; NF A-S5, France; BS 4043A(N21); The Ti OCT (AK), Russia; International ISO 4043(AlSi5); German DIN AlSi5
- Aluminum Al (minimum): balance
- Silicon Si: 4.5~6.0
- Iron Fe: ≤0.8
- Copper Cu: ≤0.30
- Manganese Mn: ≤0.05
- Magnesium Mg: ≤0.05
- Zinc Zn: ≤0.10
- Titanium Ti: ≤0.20
- Other elements not specified: each type: ≤0.05; total: ≤0.15
4032 aluminum is a 4000-series aluminum alloy. The main alloying addition is silicon. Cited properties are appropriate for the T6 temper. To achieve this temper, the metal is solution heat-treated and artificially aged until it meets standard mechanical property requirements. 4032 is the Aluminum Association (AA) designation for this material. In European standards, it will be given as EN AW-4032. Additionally, the EN chemical designation is AlSi12,5MgCuNi. The British Standard (BS) designation is DTD324B. The AFNOR (French) designation is A-S12UGN. And the UNS number is A94032.
It originally received its standard designation in 1954.
It has the highest tensile strength among the 4000-series alloys in the database.
The graph bars on the material properties cards below compare 4032 aluminum to: 4000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it’s 50% of the highest, and so on.