典型用途电气：电连接器

工业：轴承、衬套、齿轮、小齿轮、螺杆机械产品、轴、套筒轴承、推力轴承、止推垫圈、阀门零件similar***equivalent specificationcdaastmsaeamsfederalmilitaryotherc54400b139

b139mj461

j463chemical composition

rem.3.00-

4.003.50-

4.501.50-

4.50

0.100.01-

0.50machinabilitycopper alloy uns no.machinability ratingdensity (lb/in3 at 68 °f)c54400800.320mechanical propertiesmechanical properties according to astm b139/b139m-12(2017)c54400h04 hardsize range: over 1/16" to 1/4" round***hexagonal inclusivetensile strength, minyield strength, at 0.5％ extension under load, minelongation, 4x diameter***specimen thickness, minrockwell "b" hardnessremarksksimpaksimpa％typical hrb65450886physical propertiesphysical properties provided by cda

us customarymetricmelting point - liquidus1830 °f999 °cmelting point - solidus1700 °f927 °cdensity0.320 lb/in3 at 68 °f8.89 gm/cm3 at 20 °cspecific gravity8.898.89electrical conductivity19％ iacs at 68 °f0.111 megasiemens/cm at 20 °cthermal conductivity50 btu/sq ft/ft hr/°f at 68 °f86.5 w/m at 20 °ccoefficient of thermal expansion 68-5729.6 ·10-6 per °f (68-572 °f)16.6 ·10-6 per °c (20-300 °c)specific heat capacity0.09 btu/lb/°f at 68 °f377.1 j/kg at 20 °cmodulus of elasticity in tension15000 ksi103420 mpamodulus of rigidity5600 ksi38610 mpa