Assertion: bronze's copper | /r/HasProperty | alloyed with 0.5–11% of tin
Facets:
Source sentences:
text: It is composed of copper that is alloyed with 0.5–11% of tin and 0.01–0.35% phosphorus, and may contain other elements to confer specific properties (e.g. lead at 0.5–3.0% to form free-machining phosphor bronze).