AISI 1022 Steel, mock carburized at 910°C (1670°F) for 8 hours, 775°C (1430°F) reheat, water quenched, 175°C (350°F) temper, 50 mm (2 in.) round

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AISI 1022 Steel, mock carburized at 910°C (1670°F) for 8 hours, 775°C (1430°F) reheat, water quenched, 175°C (350°F) temper, 50 mm (2 in.) round
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel
Material Notes:	Used in cold heading and extruding. Applications include low-strength fasteners, die pins, motor spindles, and recessed-head screws. Post water quenched hardness: 38 HRC surface, 88 HRB half-radius, 84 HRB center.
Key Words:	UNS G10220, AMS 5070, ASTM A29, ASTM A510, ASTM A519, ASTM A544, ASTM A545, ASTM A548, ASTM A576, MIL SPEC MIL-S-11310 (CS1022), SAE J403, SAE J412, SAE J414, DIN 1.1133, UNI G 22 Mn 3, JIS SMnC 21
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Physical Properties	Original Value	Comments

Density	7.858 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	163
Hardness, Knoop	184	Converted from Brinell
Hardness, Rockwell B	84	Converted from Brinell
Hardness, Vickers	170	Converted from Brinell
Tensile Strength, Ultimate	565 MPa
Tensile Strength, Yield	346 MPa
Elongation at Break	30 %	in 50 mm
Reduction of Area	69.6 %
Modulus of Elasticity	200 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel
Poissons Ratio	0.29	Typical For Steel
Shear Modulus	80.0 GPa	Typical for steel

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000159 ohm-cm @Temperature 0.000 °C	annealed specimen
	0.0000219 ohm-cm @Temperature 100 °C	annealed specimen
	0.0000293 ohm-cm @Temperature 200 °C	annealed specimen

Thermal Properties	Original Value	Comments
CTE, linear	11.5 µm/m-°C @Temperature 20.0 °C	Typical steel
	12.2 µm/m-°C @Temperature 0.000 - 300 °C	Typical for steel
	13.9 µm/m-°C @Temperature 0.000 - 500 °C	Typical for steel
Specific Heat Capacity	0.472 J/g-°C	Typical steel
Thermal Conductivity	51.9 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	0.17 - 0.23 %
Iron, Fe	98.68 - 99.13 %	As remainder
Manganese, Mn	0.70 - 1.0 %
Phosphorus, P	<= 0.040 %
Sulfur, S	<= 0.050 %

References for this datasheet.

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M1022Y / 6873

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