FIELD: metallurgy.
SUBSTANCE: invention relates to structural elements made from copper alloys and can be used for medium-conducting gas- or water pipes, in particular fitting or mounting for drinking water pipelines. Structural element for heat-conducting gas- or water pipelines, in particular fitting or mounting for drinking water pipelines, at least partially is made of copper alloy containing, wt. %: 3.5 ≤ Sn ≤ 4.8; 1.5 ≤ Zn ≤ 3.5; 0.25 ≤ S ≤ 0.65; 0.015 ≤ P ≤ 0.1; unavoidable impurities, particularly lead in amount of not more than 0.25, and copper - the rest, and at least in some sections it has wall thickness within 0.5 to 6.0 mm.
EFFECT: invention is aimed at obtaining structural elements from copper alloys practically without lead, having good strength, process and corrosion properties.
14 cl, 4 tbl, 11 dwg
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