AISI 86B50 Steel, oil quenched 800°C (1470°F), 650°C (1200°F) temper, round

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AISI 86B50 Steel, oil quenched 800°C (1470°F), 650°C (1200°F) temper, round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 8000 Series Steel; Low Alloy Steel; Carbon Steel; Medium Carbon Steel
Material Notes:	Post oil quenched hardness 61 HRC surface, 61 HRC half-radius, 61 HRC center
Key Words:	UNS G86501
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Physical Properties	Metric	English	Comments

Density	7.85 g/cc	0.284 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	241 @Diameter 102 mm	241 @Diameter 4.00 in
	277 @Diameter 50.8 mm	277 @Diameter 2.00 in
	285 @Diameter 25.4 mm	285 @Diameter 1.00 in
	293 @Diameter 12.7 mm	293 @Diameter 0.500 in
Hardness, Knoop	265 @Diameter 102 mm	265 @Diameter 4.00 in	Converted from Brinell
	302 @Diameter 50.8 mm	302 @Diameter 2.00 in	Converted from Brinell
	311 @Diameter 25.4 mm	311 @Diameter 1.00 in	Converted from Brinell
	319 @Diameter 12.7 mm	319 @Diameter 0.500 in	Converted from Brinell
Hardness, Rockwell B	97 @Diameter 102 mm	97 @Diameter 4.00 in	Converted from Brinell
	99 @Diameter 12.7 mm	99 @Diameter 0.500 in	Converted from Brinell
	99 @Diameter 25.4 mm	99 @Diameter 1.00 in	Converted from Brinell
	99 @Diameter 50.8 mm	99 @Diameter 2.00 in	Converted from Brinell
Hardness, Rockwell C	22 @Diameter 102 mm	22 @Diameter 4.00 in	Converted from Brinell
	28 @Diameter 50.8 mm	28 @Diameter 2.00 in	Converted from Brinell
	30 @Diameter 25.4 mm	30 @Diameter 1.00 in	Converted from Brinell
	31 @Diameter 12.7 mm	31 @Diameter 0.500 in	Converted from Brinell
Hardness, Vickers	254 @Diameter 102 mm	254 @Diameter 4.00 in	Converted from Brinell
	292 @Diameter 50.8 mm	292 @Diameter 2.00 in	Converted from Brinell
	301 @Diameter 25.4 mm	301 @Diameter 1.00 in	Converted from Brinell
	309 @Diameter 12.7 mm	309 @Diameter 0.500 in	Converted from Brinell
Tensile Strength, Ultimate	841 MPa @Diameter 102 mm	122000 psi @Diameter 4.00 in
	931 MPa @Diameter 50.8 mm	135000 psi @Diameter 2.00 in
	972 MPa @Diameter 25.4 mm	141000 psi @Diameter 1.00 in
	1020 MPa @Diameter 12.7 mm	148000 psi @Diameter 0.500 in
Tensile Strength, Yield	650 MPa @Diameter 102 mm	94300 psi @Diameter 4.00 in
	834 MPa @Diameter 50.8 mm	121000 psi @Diameter 2.00 in
	910 MPa @Diameter 25.4 mm	132000 psi @Diameter 1.00 in
	945 MPa @Diameter 12.7 mm	137000 psi @Diameter 0.500 in
Elongation at Break	18.5 % @Diameter 12.7 mm	18.5 % @Diameter 0.500 in	in 50 mm
	19.5 % @Diameter 25.4 mm	19.5 % @Diameter 1.00 in	in 50 mm
	21.2 % @Diameter 50.8 mm	21.2 % @Diameter 2.00 in	in 50 mm
	22.5 % @Diameter 102 mm	22.5 % @Diameter 4.00 in	in 50 mm
Modulus of Elasticity	205 GPa	29700 ksi	Typical for steel
Bulk Modulus	160 GPa	23200 ksi	Typical for steel.
Poissons Ratio	0.29	0.29	Calculated
Machinability	60 %	60 %	annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	11600 ksi	Typical for steel

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000234 ohm-cm	0.0000234 ohm-cm	Typical steel

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	0.475 J/g-°C	0.114 BTU/lb-°F	Typical steel
Thermal Conductivity	46.6 W/m-K	323 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Boron, B	0.00050 - 0.0030 %	0.00050 - 0.0030 %
Carbon, C	0.47 - 0.54 %	0.47 - 0.54 %
Chromium, Cr	0.35 - 0.65 %	0.35 - 0.65 %
Iron, Fe	96.327 - 97.8295 %	96.327 - 97.8295 %	As remainder
Manganese, Mn	0.70 - 1.05 %	0.70 - 1.05 %
Molybdenum, Mo	0.15 - 0.25 %	0.15 - 0.25 %
Nickel, Ni	0.35 - 0.75 %	0.35 - 0.75 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.35 %	0.15 - 0.35 %
Sulfur, S	<= 0.045 %	<= 0.045 %

References for this datasheet.

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M865CN / 8559

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