Product Code WO151265

Product Information
This 1.2mm 6.5kg MIG wire from SifWeld is an aluminium alloy with 5% silicon giving excellent flow characteristics. SIFMIG 4043 wire is perfect for gas-shielded MIG welding on both semi and fully-automated systems and is suitable for welding duralumin, cast and wrought alloys (6063, 6061, 6082), as well as other 4 series aluminiums.

EN ISO 18273: S Al 4043A (AlSi5)
BS: 2901: 4043A (NG21)

Typical Properties
Melting Point 635°c
Ult Tensile Strength 120 N/mm²
Hardness 40

Typical Weld Metal Composition
Si 5 %
Al Bal

Material to be Welded
Suitable for welding duralumin, cast and wrought alloys 6063 (H9), 6061 (H20) and 6082(H30), as well as other ‘4 series’ aluminiums. The resulting weld will discolour if anodised. Pre-heating up to 120oC may be necessary, subject to material size and thickness. Wire brushing between passes is recommended, to remove build up of surface oxides.

Available Formats
0.8mm WO150805
1.0mm WO151005
1.2mm WO151205

0.8mm WO150820
1.0mm WO151020
1.2mm WO151220

0.8mm WO150865
1.0mm WO151065
1.2mm WO151265
1.6mm WO151665

In Stock
SizePrice (ex VAT)Quantity
Each £57.56

When will I receive my order?

All products are typically delivered within three working days, If however you need your goods quicker call our customer services on 01937 534318 and we will prioritise your order. On the rare occasions your order may take longer than three days you will be advised by metals4U.


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