G-TECH 605

SMAW
  • ALUMINIUM ALLOYS
AlSi

Description

Electrode with special coating and aluminum core with 5% Si
Electrode for welding pure aluminum and AlSi - AlMg - AlMgSi - AlCu alloys. It displays good weldability and no porosity. When welding, hold the electrode at a right angle to the workpiece, with a short arc. Wall thicknesses greater than 10 mm and larger workpieces will require preheating from 150°C to 250 °C. Widely used alloys thanks to their excellent aesthetic characteristics and smoothness. Applications include general purpose constructions and components for the automotive industry, not suitable for post weld anodizing.
Specifications
ISO 18273
E Al 4043
AWS A5.3
E4043
DIN 1732
EL-AlSi5
Shielding
-
Positions
PA, PB, PC, PF
Current
DC+
Packaging Type
Carton box
Asme qualifications
F-No (QW432)
23
A-No (QW442)
-
Chem. Comp. %
DEFAULT
Mn
0.04
Si
5.25
Cu
0.035
Fe
0.3
Zn
0.08
Mg
0.04
Mechanical Properties
min
variant
Tensile strength Rm MPa
-
120
Yield strength Rp0.2 MPa
-
90
Elongation A (L0=5d0) %
-
15
Impact Charpy ISO-V
-
-
Impact Charpy ISO-V
-
-
Welding Parameters
2.5 mm
3.2 mm
4 mm
Ampere
40A - 70A
60A - 100A
90A - 130A
Voltage
-
-
-
Packaging
pcs/kg
pcs/kg
pcs/kg
Packaging Type
Carton box
Carton box
Carton box
Description

Application

Widely utilized alloys, known for excellent aesthetic characteristics and smoothness, these alloys exhibit low sensitivity to weld cracking when paired with 6000 series base alloys. Their lower melting point and increased fluidity (due to Silicon content) result in better weld appearance compared to 5000 series filler alloys. However, the weld metal is not suitable for decorative anodizing. Applications span general constructions and the automotive industry, offering good mechanical properties and excellent corrosion resistance. The low melting point minimizes deformations in the parent metal, and the higher silicon content enhances fluidity while reducing the risk of hot cracking. This alloy is commonly employed for brazing aluminum sheets, extrusions, casting, and applications involving sustained elevated temperatures

Alloy Type

Consumables for welding aluminum alloys alloyed with Mg and Si.

Microstructure

Face-centered cubic lattice.

Materials

The alloy is suitable for sustained elevated temperature applications (> 65 °C). The alloy is designed for welding heat treatable base alloys.
EN W.Nr.:
DAIKOW AlSi5, G-TECH 605: EN AW-Al Si5A (4043A), EN AW-Al Mg1SiCu (6061), EN AW-Al SiMg(A) (6005A), EN AW-Al Zn4,5Mg1 (7020), EN AW-Al MgSi (6060), AlMgSi0,5, AlMgSi0,7, AlMgSi0,8, EN AW-Al Si1MgMn (6082).
DAIKOW AlSi12, G-TECH 601: AlMgSi1, AlMgSi0,8, G-AlSi12, G-AlSi11, G-CuAlSi12(Cu), G-AlSi10Mg, G-AlSi10Mg(Cu), G-AlSi9Mg, G-AlSi9Cu3, G-AlSi7Mg, GAlSi6Cu4).

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