AISI 4320 Steel, normalized at 895°C (1640°F)

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

AISI 4320 Steel, normalized at 895°C (1640°F)
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Heat treatment: Direct quench for pot - carburized at 925°C (1700°F) for 8 hours, quenched in agitated oil, 150°C (300°F) temper.
Key Words:	UNS G43200, ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A535
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Density	7.85 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	235
Hardness, Knoop	259	Converted from Brinell
Hardness, Rockwell B	97	Converted from Brinell
Hardness, Rockwell C	21	Converted from Brinell
Hardness, Vickers	247	Converted from Brinell
Tensile Strength, Ultimate	793 MPa
Tensile Strength, Yield	460 MPa
Elongation at Break	20.8 %	in 50 mm
Reduction of Area	51 %
Modulus of Elasticity	205 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel
Poissons Ratio	0.29	Calculated
Machinability	60 %	annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	Typical for steels.
Izod Impact	73.0 J

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

Thermal Properties	Original Value	Comments
CTE, linear	11.3 µm/m-°C @Temperature -18.0 - 95.0 °C	condition of specimen unknown
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 - 0.22 %
Chromium, Cr	0.40 - 0.60 %
Iron, Fe	95.855 - 96.98 %	As remainder
Manganese, Mn	0.45 - 0.65 %
Molybdenum, Mo	0.20 - 0.30 %
Nickel, Ni	1.65 - 2.0 %
Phosphorus, P	<= 0.035 %
Silicon, Si	0.15 - 0.30 %
Sulfur, S	<= 0.040 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
AISI 4320 Steel, direct quench from pot (carburized 925°C (1700°F) for 8 hrs., quenched in agitated oil, 150°C (300°F) temper), 1.5 mm case depth
AISI 4320 Steel, annealed at 850°C (1560°F)
AISI 4320 Steel, single quenched and tempered (carburized 925°C (1700°F) for 8hrs, pot cooled, reheated to 830°C (1525°F), quenched in agitated oil, 150°C (300°F) temper)
AISI 8620 Steel, annealed 13 mm (0.5 in.) round
AISI 4320 Steel, double quenched and tempered (carburized 925°C (1700°F) for 8hrs, pot cooled, reheated to 815°C (1500°F), quenched in agitated oil, reheated to 775°C, quenched in agitated oil, 150°C (300°F) temper), 1.9 mm case depth

M432AA / 7691

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message