1191 – 12% Silicon Flux Coated Arc/Torch Aluminum Alloy

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INTERNATIONAL CLASSIFICATIONS

AWS/ASME 5.3 E 4047

EN 573-3: E AlSi12

DIN 1732: EL-Al Si12

FEATURES & APPLICATIONS

For arc welding aluminums alloyed with copper, silicon, and magnesium.
Also excellent for joining dissimilar grades of aluminum.

12% Silicon aluminum arc welding electrode with exclusive self lifting slag. Other aluminum grades such as Al 99, Al Mn, etc. are also available.

  • Unique self lifting slag.
  • Pure white long shelf life extruded flux coating outlasts conventional products in moisture resistance.
  • Can be manufactured in a variety of custom colors.
  • Available in hermetically sealed PURE ALUMINUM pull ring cans or vacuum packed foil bags for extended shelf life.
  • Also available in TIG form as item code 6047, in MIG form as item code 7091 and as a bare torch brazing alloy as item code 2191.
All Weld Metal Analysis (Typical Weight %)

Flux Color: White or Custom Colors

SiCuFeMgMnZnTiBeAl
12.1.001.15.01.003.001.008.0001Bal.
Typical Mechanical Properties

Undiluted Weld      Metal Maximum Value Up to:

Tensile Strength 36,000 psi (250 MPa)

Yield Strength 20,000 psi (150 MPa)

Elongation 14%

Welding Current & Instructions

Recommended Current: DC Reverse (+)

Diameter (mm)3/32 (2.5)1/8 (3.25)5/32 (40)
Minimum Amperage5070110
Maximum Amperage80120150

Welding Techniques: Start by using the upper portion of the amperage range. Feed the electrode quickly and move fast maintaining a very close arc gap.

Welding Positions: Flat, Horizontal

Deposition Rates:

Diameter
(mm)
Length
(mm)
Weldmetal/
Electrode
Electrodes per lb (kg) of WeldmetalArc Time of Deposition min/lb (kg)Amperage SettingsRecovery
Rate
3/32 (2.5)14″(350).14oz (4.3g)114 (251)110 (242)7090%
1/8 (3.25)14″ (350).23oz (6.5g)70 (153)62 (136)11090%
5/32 (4.0)14″ (350).33oz (9.6g)48 (107)47 (103)13590%
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS
3/32 (2.5)1/8 (3.25)5/32 (4.0)
Length (mm)14″ (350)14″ (350)14″ (350)
Electrodes / lb493323
Electrodes / kg1087351