CiriGangsa AluminiumGangsa Timah
Komposisi
Main Alloying ElementAluminum (5-12%)Tin (5-25%)
Other Common ElementsIron, Nickel, Manganese, SiliconPhosphorus, Lead, Zinc
Typical GradesC95200 (Cu-9Al-2Fe)
C95400 (Cu-11Al-4Fe)
C95500 (Cu-11Al-4Ni-4Fe)
C90700 (Cu-10Sn)
C93200 (Cu-7Sn-7Pb-2Zn)
C52100 (Cu-8Sn-0.3P)
Sifat Fizikal
warnaGolden to reddish-goldReddish to pale yellow
Ketumpatan7.7-8.1 g/cm³8.7-8.9 g/cm³
Takat Lebur1030-1080°C (1886-1976°F)830-1000°C (1526-1832°F)
Kekonduksian Terma30-50 W/m·K50-70 W/m·K
Kekonduksian Elektrik10-18% IACS15-25% IACS
Sifat Mekanikal
Kekuatan Tegangan550-1200 MPa220-550 MPa
Kekerasan140-280 Brinell60-180 Brinell
Kemuluran5-20% elongation10-30% elongation
Ketahanan PakaiCemerlangbagus
Kekuatan KeletihanLebih tinggiGood, but lower than aluminum bronze
Rintangan Kakisan
Seawater EnvironmentCemerlangGood, but less than aluminum bronze
Freshwater EnvironmentCemerlangCemerlang
Atmospheric EnvironmentCemerlangCemerlang
Hakisan-HakisanHigh resistanceGood resistance
Stress Corrosion CrackingHigh resistanceModerate resistance
Fabrication Properties
CastabilitybagusCemerlang
KebolehmesinanGood, but more challengingExcellent, especially leaded varieties
KebolehkimpalanbagusFair to poor
KebolehbentukanGood, especially at elevated temperaturesExcellent, particularly for cold working
Aplikasi
Marine IndustryPropellers, pump impellers, valve stemsBearings, bushings
AeroangkasaKomponen gear pendaratan, sesendalLess common
Minyak dan GasDrilling components, subsea equipmentBearings, gears
ElektrikNon-sparking tools, switchgear componentsElectrical contacts, springs
Kejuruteraan AmGears, bearings in harsh environmentsGears, bearings in less severe conditions
Faktor Ekonomi
kosGenerally higherGenerally lower
KetersediaanLess commonMore widely available
Special Properties
Tidak memercikCemerlangbagus
Sound DampingSederhanaExcellent (used in musical instruments)
High Temperature PerformanceBetterLess suitable for high temperatures

This table provides a comprehensive comparison of the key characteristics, properties, and applications of Aluminum Bronze and Tin Bronze, highlighting their strengths and differences across various aspects.