C86500

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SPECIFICATION CROSS-REFERENCE CHART

Cast

Manganese bronzes alloys can operate under very high loads and speeds. However, bearing applications require reliable lubrication. Besides excellent mechanical qualities, these alloys have good corrosion resistance. The standard alloy in this group is high tensile C86300, which is comprised of copper, manganese, aluminum and iron. This combination raises the tensile strength to over 110,000 KSI.

Info

Product Description: Manganese Bronze
Solids: 1/2" to 9" OD
Tubes: 1 1/8" to 9" OD
Rectangles: Up to 15"
Standard Lengths: 144"
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

Typical Uses

Automotive: weld guns
Builders Hardware: brackets
Electrical: electrical hardware
Industrial: struts, machinery, gears, compressors, forming dies for wood pulp industry, wear rings for pressing dies for wood pulp industry, pressing dies for wood pulp, hooks, frames, machinery parts requiring high strength, machinery parts (substituted for steel and malleable iron), lever arms
Marine: propellers for salt and fresh water, covers for marine hardware, clamps, boat parts, rudders

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C86500 B505
B505M
  J461
J462
4860 QQ-C-390, C3
QQ-B-726, CLASS A
MIL-C-22229, COMP 7  

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% Ni%2 Al% Mn%
Chemical Composition according to ASTM B505/B505M-18

1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
55.00-
60.00
 
0.40
 
1.00
36.00-
42.00
0.40-
2.00
 
1.0
0.50-
1.50
0.10-
1.50

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C86500 26 0.301

Mechanical Properties

Mechanical Properties according to ASTM B505/B505M-18
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, in 2in. or 50mm min Brinell Hardness Remarks
Ksi MPa Ksi MPa % typical BHN  
70 483 25 172 25 130 (3000 kg)

Physical Properties

Physical Properties provided by CDA * Field Strength 16 kA/m
  US Customary Metric
Melting Point - Liquidus 1616° F 880° C
Melting Point - Solidus 1583° F 862° C
Density 0.301 lb/in3 at 68° F 8.33 gm/cm3 at 20° C
Specific Gravity 8.33 8.33
Electrical Conductivity 22% IACS at 68° F 0.128 MegaSiemens/cm at 20° C
Thermal Conductivity 49.6 Btu · ft/(hr · ft2 · °F) at 68° F 85.8 W/m at 20° C
Coefficient of Thermal Expansion 11.3 · 10-6 per °F (68°-212° F) 19.5 · 10-6 per °C (20°-100° C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 15000 ksi 103400 MPa
Magnetic Permeability* 1.09 1.09

Fabrication Properties

Fabrication Properties provided by CDA
Joining Technique Suitability
Soldering Fair
Brazing Fair
Oxyacetylene Welding Poor
Gas Shielded Arc Welding Poor
Coated Metal Arc Welding Poor

Thermal Properties

Thermal Properties provided by CDA
Treatment Temp./Time - US Temp./Time - SI
Stress Temperature 500 260
Solution Minimum    
Solution Maximum    
Solution Time 0.0  
Solution Medium    
Precipitation Value    
Precipitation Time    
Precipitation Medium    
Annealing Minimum    
Annealing Maximum    
Annealing Time    
Hot Works Minimum    
Hot Works Maximum    

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