c89831 耐腐蚀锡青铜

典型用途

工业：耐腐蚀/耐压铸件、高速/重承、叶轮、泵
chemical composition cu％1 pb％ sn％ zn％ fe％ p ni％2 al％ bi％ s％ sb％ si％

87.00- 91.00	0.10	2.70- 3.70	2.00- 4.00	0.30	0.05	1.00	0.005	2.70- 3.70	0.08	0.25	0.005

machinability copper alloy uns no. machinability rating density (lb/in3 at 68 °f)

c89831	85	0.318

mechanical properties tensile strength, min yield strength, at 0.5％ extension under load, min elongation, in 2 in.***50 mm min brinell hardness (500 kg load) remarks ksi mpa ksi mpa ％ typical bhn

29	200	13	90	5	55

physical properties us customary metric

physical properties provided by cda
melting point - liquidus	1893 °f	1033 °c
melting point - solidus	1518 °f	825 °c
density	0.318 lb/in3 at 68 °f	8.81 gm/cm3 at 20 °c
specific gravity	8.81	8.81
electrical conductivity	20.38％ iacs at 68 °f	0.117 megasiemens/cm at 20 °c
thermal conductivity	50 btu/sq ft/ft hr/°f at 68 °f	86.6 w/m at 20 °c
coefficient of thermal expansion 68-392	10 · 10-6 per °f (68-392 °f)	17.3 · 10-6 per °c (20-200 °c)
specific heat capacity	0.092 btu/lb/°f at 68 °f	385.4 j/kg at 20 °c
modulus of elasticity in tension	13700 ksi	94458 mpa