OK Autrod 19.12

OK Autrod 19.12 is a continuous solid copper welding wire alloyed with tin, designed for welding oxygen‑free, pure and low‑alloyed copper. It offers good flow properties and an easily workable weld.

Key Features

• Solid copper wire with 0.7 % tin alloy
• Excellent flow and weldability
• Suitable for large work pieces; preheating recommended for heavy thicknesses

Specifications

• Classifications: SFA/AWS A5.7 : ERCu, EN ISO 24373 : CuSn1
• Alloy Type: Copper (Cu + 0.7 % Sn)
• Tensile Properties (As Welded): Yield Strength 75 MPa, Tensile Strength 220 MPa, Elongation 30 %
• Typical Wire Composition (%): Mn 0.2, Si 0.2, Cu Balance, Fe 0.05
• Wire Diameters & Parameters:
  • 0.8 mm: 60‑165 A, 13‑17.5 V, 4.0‑13.0 mm/min feed
  • 1.0 mm: 80‑210 A, 12.5‑18 V, 4.0‑12.0 mm/min feed
  • 1.2 mm: 150‑320 A, 16‑29 V, 5.0‑11.5 mm/min feed

Applications

• Welding of oxygen‑free and pure copper
• Welding of low‑alloyed copper components
• Suitable for large and thick copper workpieces (preheat recommended)