Welding wire MTC MT-CuAl8 Ni2 2.0922

Welding wire MTC MT-CuAl8 Ni2 2.0922

MTC MT-CuAl 8 Ni 2 MIG wire is a wire electrode made of multi-component aluminum bronze for MIG welding of copper-aluminum alloys, aluminum bronzes with approx. 7–9% aluminum, and multi-component aluminum bronzes. The welding filler material is suitable for the manufacture, repair, and maintenance of components requiring strength, toughness, and wear resistance.

Technical Details

Designation: MT-CuAl 8 Ni 2
Welding process: MIG
Standard: EN ISO 24373 – S Cu 6327
Material no.: 2.0922
Alloy type: Multi-component aluminum bronze
Shielding gas: Welding argon / I1
Current type / Polarity: DC positive pole
Welding positions according to EN ISO 6947: PA, PB, PF
Available wire diameters: 1.00 mm / 1.20 mm / 1.60 mm

Typical analysis of the pure weld metal:
Cu base, Al approx. 8%, Ni approx. 2.2%, Mn approx. 2.2%, Fe approx. 2%

Mechanical property values of the weld metal, typical values:
0.2% yield strength: approx. 270 MPa
Tensile strength: approx. 530 MPa
Elongation at break A5: approx. 30%
Impact strength AV: approx. 70 J
Hardness: approx. 140 HB 10/1000

Physical properties, typical values:
Electrical conductivity at 20 °C: approx. 5 S·m/mm²
Thermal conductivity at 20 °C: approx. 50 W/(m·K)

Processing note:
During MIG welding, preheating is usually only necessary for large workpieces. For the first layer of overlay welds on ferrous materials, pulsed arc welding is recommended.