MO1 - As Sand Cast
Tensile Strength:
Yield  Strength:
Elongation:


M02 - As Centrifugal Cast
Tensile Strength:
Yield Strength:
Elongation:


M07 - As Continuous Cast
Tensile Strength:
Yield Strength:
Elongation:
Minimum 85 ksi     
Minimum 35 ksi - 0.5% Ext. under load         
Minimum 15% in 2 in.           



Minimum 85 ksi
Minimum 35 ksi - 0.5% Ext. under load
Minimum 15% in 2 in.           



Minimum 85 ksi
Minimum 32 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              Al          Fe(1)      Pb      Mn       Ni(2)       Si Min./Max.  79.0 min    8.5-9.5    3.5-4.5    .03    .8-1.5   4.0-5.0    .10
Nominal    81.0            9.0           4.0              -      1.0       4.5              -      


(1) Fe content shall not exceed Ni content.
(2) Fe content shall not exceed Ni content. Ni value 
Note: Cu + Sum of Named Elements, 99.5% min.
Joining Techniques
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc Welded
Coated Metal Arc Welding
Machinability Rating
Suitability
Good
Fair
Not Recommended  
Good
Good 
20
Mechanical Properties (measured at room temperature, 68 F (20 C) 
Fabrication Properties  (Common fabrication process - Casting)
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* 
Poisson's Ratio
US Customary
1940 F 
1910 F 
0.276 lb/in3 at 68 F
7.64
146.7 ohms-cmil/ft @ 68 F
7 %IACS @ 68 F
20.8 Btu · ft/(hr · ft2·oF)at 68F 
9.0 ·10-6 per oF (68-572 F) 
0.105 Btu/lb/oF at 68 F 
16500 ksi 
1.05
.32

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* 
Poisson's Ratio
Metric
1060 C 
1043 C 
7.64 gm/cm3 @ 20 C
7.64
24.39 microhm-cm @ 20 C
0.041 MegaSiemens/cm @ 20 C
36.0 W/m · oK at 20 C 
16.2 ·10-6 per oC (20-300 C) 
440.0 J/kg · oK at 293 K 
114000 MPa
1.05
.32
*Field Strength 16 kA/m 
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