C86200

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SPECIFICATION CROSS-REFERENCE CHART

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"

Typical Uses

Builders Hardware: brackets, structural parts
Fasteners: screw down nuts
Industrial: struts, gears, valve stems, bushings, cams, wear rings for pressing dies for wood pulp industry, high strength machine parts, hooks, frames, shafts, marine racing propellers, worm gears, pressing dies for wood pulp
Marine: rudders, marine castings, boat parts, clamps
Ordnance: gun mounts

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C86200 B505   430 A
J461
J463
  QQ-C-390, C4;
QQ-B-726, CLASS B
MIL-C-22229, COMP 9  

Chemical Composition

Alloy Cu%1 Sn% Pb% Zn% Fe% Ni%2 Al% Mn%
Chemical Composition according to ASTM B505/B505M-14
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.
C86200 60.00-
66.00
 
0.20
 
0.20
22.00-
28.00
2.00-
4.00
 
1.00
3.00-
4.90
2.50-
5.00

Mechanical Properties (according to ASTM B505/B505M-14)

Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2in. or 50mm min, %) Brinell Hardness (min) Remarks
Ksi MPa Ksi MPa      
90 621 45 310 18 N/A

Machinability

Alloy Rating Density
C86200 30 0.288

Physical Properties (provided by CDA)

  US Customary Metric
  • * Field Strength 16 kA/m
Melting Point - Liquidus 1725° F 941° C
Melting Point - Solidus 1650° F 899° C
Density 0.288 lb/in3 at 68° F 7.97 gm/cm3 at 20° C
Specific Gravity 7.97 7.97
Electrical Conductivity 8% IACS at 68° F 0.044 MegaSiemens/cm at 20° C
Thermal Conductivity 20.5 Btu · ft/(hr · ft2 · °F) at 68° F 35.5 W/m at 20° C
Coefficient of Thermal Expansion 12.0 · 10-6 per °F (68°-572° F) 20.7 · 10-6 per °C (20°-300° C)
Specific Heat Capacity 0.090 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 15000 ksi 103400 MPa
Magnetic Permeability* 1.24 1.24

Fabrication Properties (provided by CDA)

Joining Technique Suitability
Soldering Poor
Brazing Poor
Oxyacetylene Welding Good
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Good

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 None
Precipitation Value    
Precipitation Time  
Precipitation Medium None
Annealing Minimum    
Annealing Maximum    
Annealing Time  
Hot Works Minimum    
Hot Works Maximum    

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