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

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AISI 4419H 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 H44190, ASTM A304, SAE J1268, DIN 1.5419
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Physical Properties	Original Value	Comments

Density	7.85 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	201
Hardness, Knoop	223	Converted from Brinell
Hardness, Rockwell B	93	Converted from Brinell
Hardness, Rockwell C	13	Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
Hardness, Vickers	211	Converted from Brinell
Tensile Strength, Ultimate	660 MPa
Tensile Strength, Yield	415 MPa
Elongation at Break	25.3 %	in 50 mm.
Reduction of Area	64.7 %
Modulus of Elasticity	205 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel.
Poissons Ratio	0.29	Calculated
Machinability	65 %	annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	Typical for steels.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000245 ohm-cm	Typical 4000 series steel

Thermal Properties	Original Value	Comments
Specific Heat Capacity	0.475 J/g-°C	Typical 4000 series steel
Thermal Conductivity	44.5 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	0.17 - 0.23 %
Iron, Fe	97.995 - 98.88 %	As remainder
Manganese, Mn	0.35 - 0.75 %
Molybdenum, Mo	0.45 - 0.60 %
Phosphorus, P	<= 0.035 %
Silicon, Si	0.15 - 0.35 %
Sulfur, S	<= 0.040 %

References for this datasheet.

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M419BB / 7679

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