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Cast copper alloy C90700 (Tin Bronze, 65)

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Cast copper alloy C90700 (Tin Bronze, 65)
Chemical composition: Sn=11.0%, Cu=89%
Property Value in metric unit Value in US unit
Density 8.77 *10³ kg/m³ 547 lb/ft³
Modulus of elasticity 103 GPa 15000 ksi
Thermal expansion (20 ºC) 18.4*10-6 ºCˉ¹ 10.2*10-6 in/(in* ºF)
Specific heat capacity 377 J/(kg*K) 0.090 BTU/(lb*ºF)
Thermal conductivity 70.6 W/(m*K) 490 BTU*in/(hr*ft²*ºF)
Electric resistivity 17.9*10-8 Ohm*m 17.9*10-6 Ohm*cm
Tensile strength (sand cast) 303 MPa 44000 psi
Yield strength (sand cast) 152 MPa 22000 psi
Elongation (sand cast) 20 % 25 %
Fatigue strength (sand cast) 172 MPa 25000 psi
Hardness (sand cast) 80 HB(500) 75 HB(500)
Tensile strength (perm. mold) 379 MPa 55000 psi
Yield strength (perm. mold) 207 MPa 30000 psi
Elongation (permanent mold) 16 % 16 %
Hardness (permanent mold) 102 HB(500) 102 HB(500)
Liquidus temperature 999 ºC 1830 ºF
Solidus temperature 831 ºC 1528 ºF

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cast_copper_alloy_c90700_tin_bronze_65.txt · Last modified: 2023/12/14 by dmitri_kopeliovich
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