Gas Welding Aluminum With Hydrogen. These wires are particularly suitable for high-strength steels which tend to be more prone to hydrogen-assisted cracking. The benefits of hydrogen may be fuel production cost if an electrolysis plant is feasible and a slightly cleaner weld zone appearance due to the absence of carbon in the flame.
Aluminum weld porosity is caused by hydrogen. Why Aluminum Welding Is Difficult. Ad Find China Manufacturers Of Aluminum Welding.
Further hydrogen is not capable of producing soot which can be used beneficially as a temperature indicator for the annealing process on aluminum sheet.
If the weld pool cools too quickly the hydrogen remains in the weld metal causing porosity. Welding aluminum with gas and hydrogen is a process that can easily be learned even by a beginner welder. Its used in blends in very small percentages and this is very safe and it can help increase the heat of the blend Its also used in a process called atomic hydrogen welding. These wires are particularly suitable for high-strength steels which tend to be more prone to hydrogen-assisted cracking.