Snips
http://wiki.soippo.edu.ua/index.php?title=%D0%9A%D0%BE%D1%80%D0%B8%D1%81%D1%82%D1%83%D0%B2%D0%B0%D1%87:Gundan8fui
Without the support board, the blade will certainly often capture on the steel as well as distort it as well as make it unusable. There's nothing wrong with using a good, antique hacksaw, however there are faster,