Products > Copper Alloys > C90300 Products > C90300 Properties
MO1 - As Sand Cast 
Tensile Strength:
Yield  Strength:
Elongation:
Brinell Hardness:

M07 - As Continuous Cast
Tensile Strength:
Yield Strength:
Elongation:

M02 - As Centrifugal Cast
Tensile Strength:
Yield Strength:
Elongation:
Minimum 45 ksi     
Minimum 21 ksi - 0.5% Ext. under load         
Minimum 30% in 2 in.           
70   500 kg load


Minimum 44 ksi
Minimum 22 ksi - 0.5% Ext. under load
18%, in 2 inches


Minimum 44 ksi
Minimum 22 ksi - 0.5% Ext. under load
18%, in 2 inches
Chemical Composition  (%max., unless shown as range or min.)   
Need to send a drawing?
We are now accepting the following file types:
  Cu(1)         Al       Sb    Fe    Pb   Ni(2)  P(3)   Si     S         Sn               Zn
Min./Max. 86.0-89.0 . .005    .20   .20    .30    1.0   .05   .005   .05    7.5-9.0     3.0-5.0 
Nominal   87.5                -          -       -        -        -        -        -         -      8.3            4.0 


(1) In determining Cu min., Cu may be calculated as Cu + Ni.
(2) Ni value includes Co.
(3) For continuous castings, P shall be 1.5%, max.
Note: Cu + Sum of Named Elements, 99.4% min.
Joining Techniques
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc Welded
Coated Metal Arc Welding
Machinability Rating
Suitability
Excellent 
Good 
Fair 
Fair 
Fair 
30 
Mechanical Properties (measured at room temperature, 68 F (20 C) 
Fabrication Properties  (Common fabrication process - Casting)

Melting Point - Liquidus
Melting Point - Solidus
Density
Specific Gravity
Electrical Resistivity
Electrical Conductivity
Thermal Conductivity
Coefficient of Thermal Expansion
Specific Heat Capacity
Modulas of Elasticity in Tension
Magnetic Permeability
US Customary
1832 F
1570 F
0.318 lb/in3 at 68 F
8.8
87.2 ohms-cmil/ft @ 68 F
12 %IACS @ 68 F
43.2 Btu · ft/(hr · ft2·oF)at 68F
10.0 ·10-6 per oF (68-392 F)
0.09 Btu/lb/oF at 68 F
14000 ksi
1.0
Physical Properties  

Melting Point - Liquidus
Melting Point - Solidus
Density
Specific Gravity
Electrical Resistivity
Electrical Conductivity
Thermal Conductivity
Coefficient of Thermal Expansion
Specific Heat Capacity
Modulas of Elasticity in Tension
Magnetic Permeability
Metric
1000 C
854 C
8.8 gm/cm3 @ 20 C
8.8
14.49 microhm-cm @ 20 C
0.069 MegaSiemens/cm @ 20 C
74.8 W/m · oK at 20 C
0.0 ·10-6 per oC (20-200 C)
377.1 J/kg · oK at 293 K
96500 MPa
1.0