AISI 4419 Steel, normalized at 955°C (1750°F), 100 mm (4 in.) round

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AISI 4419 Steel, normalized at 955°C (1750°F), 100 mm (4 in.) round
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Normalized: Heated to 955°C (1750°F), air cooled.
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	143	143
Hardness, Knoop	163	163	Converted from Brinell
Hardness, Rockwell B	78	78	Converted from Brinell
Hardness, Vickers	149	149	Converted from Brinell
Tensile Strength, Ultimate	505 MPa	73200 psi
Tensile Strength, Yield	330 MPa	47900 psi
Elongation at Break	30 %	30 %	in 50 mm.
Reduction of Area	60.8 %	60.8 %
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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Overview of materials for Low Carbon Steel

M419AE / 7657

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