AISI 1020 Steel, cold rolled

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AISI 1020 Steel, cold rolled
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel
Material Notes:	1020 steel responds well to cold work and heat treating. Weldability is fair. Applications: Shafts, lightly stressed gears, hard wearing surfaces, pins, chains and case hardened parts where core strength is not critical. 1020 is suitable for case hardened parts where core strength is not critical.
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	Metric	English	Comments

Density	7.87 g/cc	0.284 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	121	121
Hardness, Knoop	140	140	Converted from Brinell
Hardness, Rockwell B	68	68	Converted from Brinell
Hardness, Vickers	126	126	Converted from Brinell
Tensile Strength, Ultimate	420 MPa	60900 psi
Tensile Strength, Yield	350 MPa	50800 psi
Elongation at Break	15 %	15 %	In 50 mm
Reduction of Area	40 %	40 %
Modulus of Elasticity	186 GPa	27000 ksi
Bulk Modulus	148 GPa	21500 ksi	calculated from elastic modulus and Poisson's ratio
Poissons Ratio	0.29	0.29
Machinability	65 %	65 %	Based on AISI 1212 steel = 100%
Shear Modulus	72.0 GPa	10400 ksi	calculated from elastic modulus and Poisson's ratio

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000159 ohm-cm @Temperature 0.000 °C	0.0000159 ohm-cm @Temperature 32.0 °F	condition unknown
	0.0000219 ohm-cm @Temperature 100 °C	0.0000219 ohm-cm @Temperature 212 °F	condition unknown
	0.0000292 ohm-cm @Temperature 200 °C	0.0000292 ohm-cm @Temperature 392 °F	condition unknown

Thermal Properties	Metric	English	Comments
CTE, linear	11.7 µm/m-°C @Temperature 0.000 - 100 °C	6.50 µin/in-°F @Temperature 32.0 - 212 °F
	12.8 µm/m-°C @Temperature 0.000 - 300 °C	7.11 µin/in-°F @Temperature 32.0 - 572 °F
	13.9 µm/m-°C @Temperature 0.000 - 500 °C	7.72 µin/in-°F @Temperature 32.0 - 932 °F
Specific Heat Capacity	0.486 J/g-°C @Temperature >=100 °C	0.116 BTU/lb-°F @Temperature >=212 °F	condition unknown
	0.519 J/g-°C @Temperature 150 - 200 °C	0.124 BTU/lb-°F @Temperature 302 - 392 °F
	0.599 J/g-°C @Temperature 350 - 400 °C	0.143 BTU/lb-°F @Temperature 662 - 752 °F
Thermal Conductivity	51.9 W/m-K	360 BTU-in/hr-ft²-°F	Typical steel

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

References for this datasheet.

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M1020A / 6824

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