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典型用途建筑商 五金：通用五金、五金、止動(dòng)件、墊圈

工業(yè)：空氣管路配件、配件、燃?xì)夤苈放浼�、低壓閥門

管道：旋塞、水龍頭、管道配件、管道裝置

similar***equivalent specificationcdaastmasarconsaeamsfederalmilitaryotherc84800b505

b505m

b271

b271mplumbing goods brasschemical compositioncu％1pb％sn％zn％fe％p％ni％1,2al％s％sb％si％chemical composition according to astm b505/b505m-18

1in determining cu min., cu may be calculated as cu + ni. 2ni value includes co.note: single values represent maximums.75.00-

77.005.50-

7.002.00-

3.0013.00-

17.00

0.40

1.50

1.00

0.005

0.08

0.25

0.005machinabilitycopper alloy uns no.machinability ratingdensity (lb/in3 at 68 °f)c84800900.310mechanical propertiesmechanical properties according to astm b505/b505m-18tensile strength, minyield strength, at 0.5％ extension under load, minelongation, in 2 in.***50 mm minbrinell hardness (500 kg load)remarksksimpaksimpa％typical bhn30207151031655physical propertiesphysical properties provided by cdaus customarymetricmelting point - liquidus1750 °f954 °cmelting point - solidus1530 °f832 °cdensity0.31 lb/in3 at 68 °f8.58 gm/cm3 at 20 °cspecific gravity8.588.58electrical conductivity16.4％ iacs at 68 °f0.095 megasiemens/cm at 20 °cthermal conductivity41.6 btu/sq ft/ft hr/°f at 68 °f72 w/m at 20 °ccoefficient of thermal expansion 68-39210 · 10-6 per °f (68-392 °f)17.3 · 10-6 per °c (20-200 °c)specific heat capacity0.09 btu/lb/°f at 68 °f377.1 j/kg at 20 °cmodulus of elasticity in tension15000 ksi103400 mpamagnetic permeability11