alfa-beeta messing
vasetsingisulam (38-46%, taval. 40% Zn), mille struktuuriosadeks on alfa ja beeta faasid (vt messing; vrd α-messing, β-messing), copper-zinc alloy containing 38-46% (usually 40%) zinc; it consists of a mixture of the alpha- and beta-constituents (see: brass; compare: alpha brass, beta brass)