AISI 4820 Steel, double quenched and tempered (150°C (300°F)), 1.2 mm case depth

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 4820 Steel, double quenched and tempered (150°C (300°F)), 1.2 mm case depth
Categories:	Metal; Ferrous Metal; Alloy Steel; AISI 4000 Series Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Carburized at 925°C (1700°F) for 8 hrs., pot cooled, reheated to 815°C (1500°F), oil quenched, reheated to 790°C (1450°F), oil quenched, 150°C (300°F) temper. 1.2mm case depth. Recommended practice for max. case hardness
Key Words:	SAE 770, low carbon steels, UNS G48200, ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A535, SAE J404, SAE J414,
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	415
Hardness, Knoop	446	Converted from Brinell
Hardness, Rockwell B	103	Converted from Brinell
Hardness, Rockwell C	60	case hardness at 1.2mm case depth.
Hardness, Vickers	440	Converted from Brinell
Tensile Strength, Ultimate	1410 MPa
Tensile Strength, Yield	1141 MPa
Elongation at Break	13.8 %	in 50 mm.
Modulus of Elasticity	205 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel
Poissons Ratio	0.29	Calculated
Machinability	50 %	annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
Shear Modulus	80.0 GPa	Typical for steel

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	0.18 - 0.23 %
Iron, Fe	94.645 - 95.72 %	As remainder
Manganese, Mn	0.50 - 0.70 %
Molybdenum, Mo	0.20 - 0.30 %
Nickel, Ni	3.25 - 3.75 %
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 4820 Steel, direct quenched from pot, tempered (230°C (450°F)), 0.99 mm case depth
AISI 4820 Steel, double quenched and tempered (230°C (450°F)), 1.2 mm case depth
AISI 4820 Steel, direct quenched from pot, tempered 150°C (300°F), 0.99 mm case depth
AISI 4820 Steel, normalized 860°C (1580°F)
AISI 4820 Steel, single quenched and tempered, 150°C (300°F), 1.2 mm case depth

M482AE / 7974

	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