OK Autrod 19.30

OK Autrod 19.30 is a continuous solid copper MIG/TIG wire alloyed with silicon and manganese, designed for welding copper‑zinc alloys, low‑alloyed copper and MIG brazing of zinc‑coated steel sheets.

Key Features

• Alloyed copper (Cu + 3 % Si) with added Mn for improved strength
• Suitable for automotive MIG brazing of galvanised steel and overlay welding of low‑alloyed steels
• Recommended for pulsed GMAW processes
• Available in multiple diameters (0.8 mm, 1.0 mm, 1.2 mm, 1.6 mm) and packaging sizes

Specifications

• Classifications: SFA/AWS A5.7 : ERCuSi‑A, EN ISO 24373 : CuSi3Mn1
• Approvals: VdTÜV 09147
• Alloy Type: Alloyed copper (Cu + 3 % Si)
• Shielding Gas: I1, I2, I3, M13 (EN439)
• Tensile Properties (As Welded): Yield Strength 130 MPa, Tensile Strength 350 MPa, Elongation 40 %
• Typical Wire Composition (%): Cu 96, Si 3, Mn 0.9, Sn 0.01, Zn 0.05, Fe 0.05
• Wire Diameter & Parameters:
  • 0.8 mm – 60‑165 A, 13‑17.5 V, 4.0‑13.0 mm/min
  • 1.0 mm – 80‑210 A, 12.5‑18 V, 4.0‑12.0 mm/min
  • 1.2 mm – 150‑320 A, 16‑29 V, 5.0‑11.5 mm/min
  • 1.6 mm – data not specified

Applications

• MIG brazing of galvanized steel in automotive body production
• Welding of copper‑zinc alloys and low‑alloyed copper
• Overlay welding of un‑ and low‑alloyed steels
• General pulsed GMAW welding tasks