Manganese Bronze

Physical Properties Metric English Comments Density 8.63 g/cc 0.312 lb/in³  at 20°C (68°F) Mechanical Properties Hardness, Rockwell B 65 65 Tensile Strength, Ultimate 448 MPa 65000 psi  Annealed Tensile Strength, Ultimate 565 MPa 81900 psi  Hardened Tensile Strength, Yield 207 MPa 30000 psi  Annealed Elongation at Break 25 % 25 %  Hardened Elongation at Break 33 % 33 %  Annealed, in 482.6 mm. Modulus of Elasticity 103 GPa 14900 ksi Machinability 30 % 30 %  UNS C36000 (free-cutting brass) = 100%

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Name	Low Tensile Manganese Bronze
UNS No.	C86500
Ingot No.	421
Percent By weight of
Copper	58
Nickel	39.5
Iron	1
Aluminum	1
Typical Properties
Weight, lbs./in	0.301
Pattern maker's shrink rule,in/ft	1/4
Tensile strength,ksi	71
Yield strength,ksi	28
Elongation,% in 2"	30
Brinell hardness(3000)Kg)	100
Machinability	26
Heat Treatment (1hr/1n thickness)	No Response

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