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

**Consult mill for wall thickness

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-23 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

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)
Mechanical properties according to ASTM B505/B505M-23 Note: Compression deformation limit min 55 ksi/380 MPa
ksi	MPa	ksi	MPa	%	typical BHN
110	758	62	427	14	223

Physical properties

	US Customary	Metric
Physical properties provided by CDA *Field strength 16 kA/m
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

Technique	Suitability
Fabrication properties provided by CDA
Soldering	Poor
Brazing	Poor
Oxyacetylene welding	Poor
Gas shielded arc welding	Poor
Coated metal arc welding	Good
Machinability rating	8

Thermal properties

Treatment	Value*	Time**
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.
Stress relief	500
Solution treatment		0

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C86300

Stocked alloy specs

Reference guide

Stocked size schedules

C86300

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

Physical properties

Fabrication properties

Thermal properties

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