Shanghai Unique Alloy Co.Ltd 

Focus on Copper Alloy 

Continous Casting tin bronze C91000 ASTM B505 

 

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C91000 B505       QQ-C-390, D2;
QQ-B-1005, COMP 9		 MIL-B-16262, GRADE III  

Chemical Composition (according to ASTM B505/B505M-14)

Cu%1 Sn% Pb% Zn% Fe% Ni%2 Sb% P%3 S% Al% Si%
1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.   3For continuous castings, P shall be 1.5%, max.
Note: Cu + Sum of Named Elements, 99.4% min. Single values represent maximums.
84.00-
86.00		 14.00-
16.00		  
0.20		  
1.50		  
0.10		  
0.80		  
0.20		  
0.05		  
0.05		  
0.005		  
0.005

Machinability

Alloy Rating Density
C91000 20 0.317

Mechanical Properties (according to ASTM B505/B505M-14)

Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2in. or 50mm min, %) Brinell Hardness (min) Remarks
Ksi MPa Ksi MPa      
30 207 N/A N/A N/A N/A  

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1760° F 960° C
Melting Point - Solidus 1505° F 818° C
Electrical Resistivity 111.40 ohms-cmil/ft at 68° F 18.52 microhm-cm at 20° C
Electrical Conductivity 9% IACS at 68° F 0.054 MegaSiemens/cm at 20° C
Specific Heat Capacity 0.090 Btu/lb/°F at 6° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 16000 ksi 11000 MPa