C86200

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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

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
B505M
  430A
J461
J462
  QQ-C-390, C4;
QQ-B-726, CLASS B
MIL-C-22229, COMP 9  

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.
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

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C86200 30 0.288

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  
90 621 45 310 18 180 (3000 kg)

Physical Properties

Physical Properties provided by CDA * Field Strength 16 kA/m
  US Customary Metric
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 · 10-6 per °F (68°-572° F) 20.7 · 10-6 per °C (20°-300° 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* 1.24 1.24

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