US2014112821A1PendingUtilityA1
Lead-free brass alloy for hot working
Est. expiryDec 27, 2031(~5.4 yrs left)· nominal 20-yr term from priority
C22F 1/00C22F 1/08C22C 9/04
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Claims
Abstract
Provided is a lead-free brass alloy for hot working provided with good hot-working properties and mechanical characteristics. A lead-free brass alloy for hot working, comprising: 28.0 to 35.0 wt % zinc, 0.5 to 2.0 wt % silicon, 0.5 to 1.5 wt % tin, 0.5 to 1.5 wt % bismuth, 0.10 wt % or less lead, and the remainder being copper and unavoidable impurities, the zinc equivalent being in a range of 40.0 to 43.0, and the area ratio of the κ phase after hot working being 20% or less.
Claims
exact text as granted — not AI-modified1 . A lead-free brass alloy for hot working, characterized in comprising: 28.0 to 35.0 wt % zinc, 0.5 to 2.0 wt % silicon, 0.5 to 1.5 wt % tin, 0.5 to 1.5 wt % bismuth, 0.10 wt % or less lead, and the remainder being copper and unavoidable impurities, the zinc equivalent being in a range of 40.0 to 43.0, and the area ratio of the κ phase after hot working being 20% or less.
2 . The lead-free brass alloy for hot working according to claim 1 , characterized in that elongation is 10% or more.Join the waitlist — get patent alerts
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