AISI 4419 Steel, mock carburized, 150°C (300°F) temper, 50 mm (2 in.) round

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AISI 4419 Steel, mock carburized, 150°C (300°F) temper, 50 mm (2 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Mock carburized 925°C (1700°F) for 8 hrs., reheated to 845°C (1550°F), oil quenched, 150°C (300°F) temper, 50 mm round
Key Words:	UNS G44190, ASTM A322, ASTM A331, SAE J404, SAE J412, SAE J770
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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	201	201
Hardness, Knoop	223	223	Converted from Brinell
Hardness, Rockwell B	93	93	Converted from Brinell
Hardness, Rockwell C	13	13	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	211	211	Converted from Brinell
Tensile Strength, Ultimate	660 MPa	95700 psi
Tensile Strength, Yield	415 MPa	60200 psi
Elongation at Break	25.3 %	25.3 %	in 50 mm.
Reduction of Area	64.7 %	64.7 %
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	65 %	65 %	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	0.0000245 ohm-cm	0.0000245 ohm-cm	Typical 4000 series steel

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	0.18 - 0.23 %	0.18 - 0.23 %
Iron, Fe	98.095 - 98.77 %	98.095 - 98.77 %	As remainder
Manganese, Mn	0.45 - 0.65 %	0.45 - 0.65 %
Molybdenum, Mo	0.45 - 0.60 %	0.45 - 0.60 %
Phosphorus, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.35 %	0.15 - 0.35 %
Sulfur, S	<= 0.040 %	<= 0.040 %

References for this datasheet.

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M419AH / 7660

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