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MO7 - As Continuous Cast
Tensile Strength:
Yield  Strength:
Elongation:
Brinell Hardness:
Minimum 110 ksi     
Minimum 62 ksi - 0.5% Ext. under load         
Minimum 8% in 2 in.           
229   3000 kg load
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      Mn   Ni(1)
Min./Max.  78.0 min    10.0-11.5   3.0-5.0  3.5    3.0-5.5 
Nominal    80.0            11.0             4.0           -      4.3 


(1) Ni value includes Co.
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 
50
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* 
Magnetic Permeability** 
Poisson's Ratio
US Customary
1930 F 
1900 F 
0.272 lb/in3 at 68 F
7.53
122.8 ohms-cmil/ft @ 68 F
8%IACS @ 68 F
24.2 Btu · ft/(hr · ft2·oF)at 68F 
9.0 ·10-6 per oF (68-572 F) 
0.1 Btu/lb/oF at 68 F 
16000 ksi 
1.2
1.32
0.32

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* 
Magnetic Permeability** 
Poisson's Ratio
Metric
1054 C 
1038 C 
7.53 gm/cm3 @ 20 C
7.53
20.41 microhm-cm @ 20 C
0.049 MegaSiemens/cm @ 20 C
41.9 W/m · oK at 20 C 
16.2 ·10-6 per oC (20-300 C) 
419.0 J/kg · oK at 293 K 
110000 MPa
1.2
1.32
0.32
*TQ 50 Temper, Field Sterngth 16 kA/m 
**As Cast, Field Strength 16 kA/m