AISI 1020 Steel, mock carburized at 915°C (1680°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 1020 Steel, mock carburized at 915°C (1680°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:	Applications include parts in the case hardened condition where core strength is not critical, and for shafts of larger cross section that are not highly stressed. Other uses include lightly stressed gears with hard wearing surfaces and case hardened pins and chains.
Key Words:	UNS G10200, AMS 5032, AMS 5045, ASTM A29, ASTM A108, ASTM A510, ASTM A519, ASTM A29, A108, A510, A512, A513, A519, A544, A575 M10120, A576, A635, A659, A827, A830, BS 970 040A20, 050A20 (En2C), 050A20 (En2D), 060A20, BS 970 Part 1 070M20, DEF STAN95-1-1 C1020, SAE J412, SAE J414, DIN 1.0402, AFNOR CC 20, UNI C 20, SS14 1450 (Sweden), SAE J403
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Physical Properties	Original Value	Comments

Density	7.87 g/cc	Typical for steel

Mechanical Properties	Original Value	Comments
Hardness, Brinell	156
Hardness, Knoop	176	Converted from Brinell
Hardness, Rockwell B	82	Converted from Brinell
Hardness, Vickers	163	Converted from Brinell
Tensile Strength, Ultimate	521 MPa
Tensile Strength, Yield	302 MPa
Elongation at Break	31.3 %	in 50 mm
Reduction of Area	67.9 %
Modulus of Elasticity	186 GPa
Bulk Modulus	148 GPa	calculated from elastic modulus and Poisson's ratio
Poissons Ratio	0.29
Shear Modulus	72.0 GPa	calculated from elastic modulus and Poisson's ratio
Izod Impact	135 J
Charpy Impact	16.9 J @Temperature -30.0 °C
	18.0 J @Temperature -18.0 °C
	20.0 J @Temperature -3.00 °C
	24.0 J @Temperature 10.0 °C
	41.0 J @Temperature 38.0 °C
	54.0 J @Temperature 65.0 °C
	61.0 J @Temperature 95.0 °C
	68.0 J @Temperature 150 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000159 ohm-cm @Temperature 0.000 °C	condition unknown
	0.0000219 ohm-cm @Temperature 100 °C	condition unknown
	0.0000292 ohm-cm @Temperature 200 °C	condition unknown

Thermal Properties	Original Value	Comments
CTE, linear	11.7 µm/m-°C @Temperature 20.0 - 100 °C
	12.1 µm/m-°C @Temperature 20.0 - 200 °C
	12.8 µm/m-°C @Temperature 20.0 - 300 °C
	13.3 µm/m-°C @Temperature 20.0 - 400 °C
	13.9 µm/m-°C @Temperature 20.0 - 500 °C
	14.4 µm/m-°C @Temperature 20.0 - 600 °C
	14.8 µm/m-°C @Temperature 20.0 - 700 °C
Specific Heat Capacity	0.486 J/g-°C @Temperature >=100 °C	condition unknown
	0.519 J/g-°C @Temperature 150 - 200 °C
	0.599 J/g-°C @Temperature 350 - 400 °C
Thermal Conductivity	51.9 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	0.17 - 0.23 %
Iron, Fe	99.08 - 99.53 %	As remainder
Manganese, Mn	0.30 - 0.60 %
Phosphorus, P	<= 0.040 %
Sulfur, S	<= 0.050 %

References for this datasheet.

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M1020O / 6838

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