How To Weld On Brass. Ad We specialise in complex precision brass fasteners manufactured to your specifications. To weld brass you must use a good welding helmet with a shield and shield for the arc type of the electrode.
It is however a difficult metal to weld as copper and zinc have very different melting points zincs is much lower. I then applied that to the material with a plastic knife and clamped both pieces together with 3 C-clamps for 4 hours. Make sure your tungsten has the proper point for the metal youre welding.
It is essential that the zinc content is known before attempting to weld brass because zinc has a much lower melting point than copper.
To weld brass you must use a good welding helmet with a shield and shield for the arc type of the electrode. I mixed the two halves of JB Weld epoxy on a paper plate and stirred them until they were a uniform grey. The zinc gives brass a tougher surface and more rigidity than copper but also makes it less malleable more brittle. Oxygen and acetylene are stored in separate containers and mixed when welding.