disclosed is an aluminium alloy brazing material which is substantially lithium - free and calcium - free , and has the composition , in weight percent : si 5 . 0 to 14 . 0 ; fe 0 . 1 to 0 . 7 ; mn 0 . 2 to 1 . 5 ; mg max . 2 . 0 ; zn max 1 . 0 ; optionally a wetting agent as alloying element up to 1 %, and balance al and inevitable impurities .