AISI 4815 Steel, pseudocarburized, reheated to 830°C (1525°F) and oil quenched, 150°C (300°F) temper, 13.7 mm (1 in.) round

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AISI 4815 Steel, pseudocarburized, reheated to 830°C (1525°F) and oil quenched, 150°C (300°F) temper, 13.7 mm (1 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Normalized 925°C (1700°F) in 32mm rounds, machined to 13.7 mm rounds, pseudocarburized at 925°C (1700°F) for 8 h., box cooled to RT, reheated to 830°C (1525°F), oil quenched, 150°C (300°F) temper, machined and tested in 12.8mm rounds.
Key Words:	UNS G48150, ASTM A322, ASTM A331, ASTM A505, SAE J404, SAE J412, SAE J770, low carbon steels
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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	352	352
Hardness, Knoop	381	381	Converted from Brinell
Hardness, Rockwell B	99	99	Converted from Brinell
Hardness, Rockwell C	39	39	Converted from Brinell
Hardness, Vickers	372	372	Converted from Brinell
Tensile Strength, Ultimate	1165 MPa	169000 psi
Tensile Strength, Yield	1005 MPa @Strain 0.2 %	145800 psi @Strain 0.2 %
Elongation at Break	15.5 %	15.5 %	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	50 %	50 %	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	0.0000260 ohm-cm @Temperature 0.000 °C	0.0000260 ohm-cm @Temperature 32.0 °F	condition of specimen unknown
	0.0000310 ohm-cm @Temperature 100 °C	0.0000310 ohm-cm @Temperature 212 °F	condition of specimen unknown

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	0.475 J/g-°C	0.114 BTU/lb-°F	Typical 4000 series steel
Thermal Conductivity	44.5 W/m-K	309 BTU-in/hr-ft²-°F	Typical steel

Component Elements Properties	Metric	English	Comments
Carbon, C	0.13 - 0.18 %	0.13 - 0.18 %
Iron, Fe	94.795 - 95.87 %	94.795 - 95.87 %	As remainder
Manganese, Mn	0.40 - 0.60 %	0.40 - 0.60 %
Molybdenum, Mo	0.20 - 0.30 %	0.20 - 0.30 %
Nickel, Ni	3.25 - 3.75 %	3.25 - 3.75 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.30 %	0.15 - 0.30 %
Sulfur, S	<= 0.040 %	<= 0.040 %

References for this datasheet.

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M481AG / 7958

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