Manganese Bronze, UNS C86200, M07 Temper, As Continuous Cast

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Manganese Bronze, UNS C86200, M07 Temper, As Continuous Cast
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Temper: As Continuous Cast Casting Characteristics: High – Shrinkage in Solidification, Drossing; Medium – Fluidity; Low – Casting Yield, Effect of Section Size, Gassing Fabrication Properties: Good Suitability – Oxyacetylene Welding, Coated Metal Arc Welding; Fair Suitability – Gas Shielded Arc Welding; Poor Suitability – Soldering, Brazing Typical uses: Brackets; Structural Parts; Screw Down Nuts; Bushings; Cams; Frames; Gears; High Strength Machine Parts; Hooks; Marine Racing Propellers; Pressing Dies for Wood Pulp; Shafts; Valve Stems; Wear Rings for Pressing Dies for Wood Pulp Industry; Worm Gears; Boat Parts; Clamps; Marine Castings; Rudders; Gun Mounts Applicable Specifications: As Centrifugal Cast - Castings SAE J462, Castings ASTM B271/B271M, Castings SAE J461; As Continuous Cast – Castings SAE J461, Castings SAE J462, Castings – ASTM B505/B505M; As Sand Cast – Castings ASTM B584, ASTM B763/B763M, Castings SAE J462, Castings SAE J461; Ingot - ASTM B30, FEDERAL QQ-C-523; Precision Cast – Castings MILITARY MIL-C-11866
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Physical Properties	Metric	English	Comments

Density	7.97 g/cc	0.288 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	>= 621 MPa	>= 90000 psi	for Standard
Tensile Strength, Yield	>= 310 MPa	>= 45000 psi	for Standard, 0.5% Ext
Elongation at Break	>= 18 %	>= 18 %	for Standard
Tensile Modulus	103 GPa	15000 ksi
Machinability	30 %	30 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000220 ohm-cm	0.0000220 ohm-cm	8% IACS
Magnetic Permeability	1.24	1.24	Field Strength 16 kA/m

Thermal Properties	Metric	English	Comments
CTE, linear	21.6 µm/m-°C @Temperature 20.0 - 300 °C	12.0 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	2.95 W/m-K	20.5 BTU-in/hr-ft²-°F
Melting Point	899 - 940.6 °C	1650 - 1725 °F
Solidus	899 °C	1650 °F
Liquidus	940.6 °C	1725 °F
Shrinkage	2.08 %	2.08 %	Patternmaker's Shrinkage (4/16 in./ft.)

Processing Properties	Metric	English	Comments
Processing Temperature	260 °C	500 °F	Stress Relief

Component Elements Properties	Metric	English	Comments
Aluminum, Al	3.0 - 4.9 %	3.0 - 4.9 %
Copper, Cu	60 - 66 %	60 - 66 %
Iron, Fe	2.0 - 4.0 %	2.0 - 4.0 %
Lead, Pb	<= 0.20 %	<= 0.20 %
Manganese, Mn	2.5 - 5.0 %	2.5 - 5.0 %
Nickel, Ni	<= 1.0 %	<= 1.0 %
Tin, Sn	<= 0.20 %	<= 0.20 %
Zinc, Zn	22 - 28 %	22 - 28 %

References for this datasheet.

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MC86200x2 / 293163

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