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C86300

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Continuous Cast

Manganese bronze alloys, such as C863, can operate under very high loads and speeds. Besides excellent mechanical qualities, these alloys have good corrosion resistance. The combination of copper, manganese, aluminum, and iron in C86300 raises its tensile strength to over 110,000 ksi. MORE»

C86300 SPEC SHEET C86300 SIZE SCHEDULE WEIGHT CALCULATOR CONCAST LINE CARD

C86300

Product Description: Manganese Bronze
Solids: 1/2" to 9" O.D.
Tubes: 1 1/8" to 9" O.D.
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
Electrical: electrical components, switches
Fasteners: screw down nuts
Industrial: bridge pins, bushings, cams, forming dies for wood pulp industry, frames, gears, gib, high-strength machine parts, hooks, hydraulic cylinder parts, large valve stems, propellers, slow-speed/heavy-load bearings, struts, wear rings for forming dies for wood pulp industry
Marine: boat parts, clamps, covers for marine hardware, marine hardware, rudders

Similar or Equivalent Specification

CDA ASTM SAE AMS Federal Military Other
C86300 B505
B505M
B271
B271M		 J461
J462		   QQ-C-523 MIL-C-11866  

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% Ni%1,2 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: Single values represent maximums.
60.00-
66.00		  
0.20		  
0.20		 22.00-
28.00		 2.00-
4.00		  
1.00		 5.00-
7.50		 2.50-
5.00

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C86300 8 0.283

Mechanical Properties

Mechanical Properties according to ASTM B505/B505M-18  
Note: Compression Deformation Limit min 55 ksi/380 MPa
Tensile Strength, min Yield Strength, at 0.5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Brinell Hardness (3000 kg load) Remarks
ksi MPa ksi MPa % typical BHN  
110 758 62 427 14 223  

Physical Properties

Physical Properties provided by CDA  
*Field Strength 16 kA/m
  US Customary Metric
Melting Point - Liquidus 1693 °F 923 °C
Melting Point - Solidus 1625 °F 885 °C
Density 0.283 lb/in3 at 68 °F 7.83 gm/cm3 at 20 °C
Specific Gravity 7.83 7.83
Electrical Conductivity 8% IACS at 68 °F 0.046 MegaSiemens/cm at 20 °C
Thermal Conductivity 20.5 Btu/sq ft/ft hr/°F at 68 °F 35.5 W/m at 20 °C
Coefficient of Thermal Expansion 68-572 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 20 °
Modulus of Elasticity in Tension 14200 ksi 97900 MPa
Magnetic Permeability* 1.09 1.09

Fabrication Properties

Fabrication Properties provided by CDA
Technique Suitability
Soldering Poor
Brazing Poor
Oxyacetylene Welding Poor
Gas Shielded Arc Welding Poor
Coated Metal Arc Welding Good
Machinability Rating 8

Thermal Properties

Thermal Properties provided by CDA

*Temperature is measured in Fahrenheit.   **For Stress Relief, Solution Treatment and Annealing - Time is measured in hours/inch of thickness. For Precipitation Heat Treatment - Time is measured in hours.
Treatment Value* Time**
Stress Relief 500  
Solution Treatment   0

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