典型用途航空航天：襯套、軸承

工業(yè)：軸承、滾動(dòng)軸承成型模具、土方設(shè)備液壓襯套、閥球、閥門(mén)零件（低溫）similar***equivalent specificationcdaastmsaeamsfederalmilitaryotherc63020b150

b150m4590chemical compositioncu％pb％sn％zn％fe％ni％1al％co％cr％mn％si％chemical composition according to astm 4590

1ni value includes co.note: cu + sum of named elements, 99.5％ min. single values represent maximums.

rem.

0.03

0.25

0.304.00-

5.504.20-

6.0010.00-

11.00

0.20

0.05

1.50

0.15machinabilitycopper alloy uns no.machinability ratingdensity (lb/in3 at 68 °f)density (gm/in3 at 20 °c)c630200.2757.6mechanical propertiesmechanical properties according ams 4590c63020tq50 quenched***temperedsize range: up to 1" diameter inclusivetensile strength, minyield strength, at 0.2％ offset, minelongation, in 2 inches (50.8 mm)***4d, min, minrockwell "c" hardnessremarksksimpaksimpa％min hrc135931100689626physical propertiesus customarymetricmelting point - liquidus1940° to 1967 °f1060° to 1075 °cdensity0.274 lb/in3 at 68 °f7.6 gm/cm3 at 20 °cspecific gravity7.67.6electrical resistivity132.33 ohms-cmil/ft at 68 °f22.0 microhm-cm at 20 °cthermal conductivity31.2 btu/sq ft/ft hr/°f at 68 °f54.0 w/m at 20 °ccoefficient of thermal expansion 68-5729.4 · 10-6 per °f (68-572 °f)17.0 · 10-6 per °c (20-300 °c)