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型用途

工業(yè)：耐腐蝕/耐壓鑄件、葉輪、泵 chemical composition cu％ pb％ sn％ zn％ fe％ p ni％1 al％ bi％ s％ sb％ si％

86.00- 91.00	0.09	4.00- 6.00	2.00- 6.00	0.30	0.05	1.00	0.005	1.70- 2.70	0.08	0.25	0.005

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

c89833	81	0.317

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

30	207	14	97	6	60

physical properties us customary metric

physical properties provided by cda
melting point - liquidus	1877 °f	1025 °c
melting point - solidus	1454 °f	790 °c
density	0.317 lb/in3 at 68 °f	8.78 gm/cm3 at 20 °c
specific gravity	8.78	8.78
electrical conductivity	17.8％ iacs at 68 °f	0.103 megasiemens/cm at 20 °c
thermal conductivity	41 btu/sq ft/ft hr/°f at 68 °f	71 w/m at 20 °c
coefficient of thermal expansion 68-392	13 · 10-6 per °f (68-392 °f)	22.5 · 10-6 per °c (20-200 °c)
specific heat capacity	0.085 btu/lb/°f at 68 °f	356.1 j/kg at 20 °c
modulus of elasticity in tension	15500 ksi	106869 mpa