Lastek 512

Bronze welding

Filler rod for TIG and oxy-acetylene welding of bronze (bell foundries, bronze statues).

Suitable for joining and surfacing.

Porous free joints with a deep yellow, golden colour.

The weld pool is easy to control and permits welding in position and applying different layers on top of each other.

Resistant against seawater, caustic sulphite (paper and sugarfabrication) and many chemicals.

Specifications & Usage


Repair and joining bronze sculptures, bronze bells, castings with 10-12% tin, bronze ’RG5’, building up cast iron with a corrosion resistant layer.

Refacing bearings.

Hardness: 120 HB

Electrical resistivity: 0.2 ohm.mm²/m (7.8 .10-6 ohms/in/in²)


TIG welding under pure Argon protection (min 10 l/min).

Workpiece thickness > 6 mm (0.24"): preheating up to +- 250 °C (480 °F).


Welding proces: Tig welding (GTAW)
Material Type: Copper (alloys)
Welding positions: NA
Norm : EN ISO 24373
Classification: Cu 5410 (CuSn12P)
Minimum packing: 5 kg in a cardboard box