Products > Copper Alloys > C67500 Wrought Manganese Bronze
Material:Copper Alloy Number 675  -- Wrought Manganese Bronze

Specifications: 



Applications:


 - ASTM B138, SAE J461 and J463
 - ASTM B138, SAE J461 and J463
Bar
Rod

Used in heavy-duty mechanical components, including bearings. Also used for valve stems and pump components. 
Shapes in Inventory: (click to view product)
Need to send a drawing?
We are now accepting the following file types:
H02 - Rod / Bar  - 
Tensile Strength:
Yield  Strength:
Elongation:
Rockwell Hardness B Scales:
84 ksi     
60 ksi - 0.5% Ext. under load         
19%            
90 
Chemical Composition  (%max., unless shown as range or min.)   
            Cu(1)        Al      Fe      Pb     Mn         Sn         Zn 
Min./Max.  57.0-60.0   .25  .8-2.0  .20  .05-.50  .50-1.5   Rem. 
Nominal    58.5              -     1.4        -     .10         1.0         39.0 

(1) Cu value includes Ag.
Note: Cu + Sum of Named Elements, 99.5% min. 
Joining Techniques
Soldering 
Brazing 
Oxyacetylene Welding 
Gas Shielded Arc Welding 
Coated Metal Arc Welding 
Spot Weld 
Seam Weld 
Butt Weld 
Capacity for Being Cold Worked 
Capacity for Being Hot Formed 
Forgeability Rating 
Machinability Rating 

Suitability
Excellent 
Excellent 
Good 
Fair 
Not Recommended  
Good 
Fair 
Good 
Poor 
Excellent 
80 
30 
Mechanical Properties (measured at room temperature, 68 F (20 C) 
Fabrication Properties  
Typical for 1" Bar 
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 
Modulus of Rigidity 
US Customary
1630 F 
1590 F 
0.302 lb/in3 at 68 F 
8.36 
43.2 ohms-cmil/ft @ 68 F 
24 %IACS @ 68 F 
61.0 Btu · ft/(hr · ft2·oF)at 68F 
11.8 ·10-6 per oF (68-572 F)  
0.09 Btu/lb/oF at 68 F 
15000 ksi 
5600 ksi 


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
Modulus of Rigidity
Metric
888 C 
866 C 
8.36 gm/cm3 @ 20 C 
8.36 
7.18 microhm-cm @ 20 C 
0.14 MegaSiemens/cm @ 20 C 
105.6 W/m · oK at 20 C 
21.2 ·10-6 per oC (20-300 C) 
377.1 J/kg · oK at 293 K 
103400 MPa 
38610 MPa 
Properties: