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Welding Brass To Steel. Any other way you will burn holes or distort the metal. Personally when I need to do this I tig weld it with a silicon bronze filler rod.
Its certainly possible to braze using resistive heating. Use the correct flux and solder. Try cleaning it with viniger before you start.
Brass to carbon steel shall be welded with ERCuSi-A type filler wire.
The article seems to focus on bronze and on layering steel. Its not forge welding brass but maybe related. Brass is considered a low heat metal. In salt water the brass will corrode away.