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 PropertiesMetricEnglishComments
Density 7.87 g/cc0.284 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 121121
Hardness, Knoop 140140Converted from Brinell
Hardness, Rockwell B 6868Converted from Brinell
Hardness, Vickers 126126Converted from Brinell
Tensile Strength, Ultimate 420 MPa60900 psi
Tensile Strength, Yield 350 MPa50800 psi
Elongation at Break 15 %15 %In 50 mm
Reduction of Area 40 %40 %
Modulus of Elasticity 186 GPa27000 ksi
Bulk Modulus 148 GPa21500 ksicalculated from elastic modulus and Poisson's ratio
Poissons Ratio 0.290.29
Machinability 65 %65 %Based on AISI 1212 steel = 100%
Shear Modulus 72.0 GPa10400 ksicalculated from elastic modulus and Poisson's ratio
 
Electrical PropertiesMetricEnglishComments
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 PropertiesMetricEnglishComments
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-K360 BTU-in/hr-ft²-°FTypical steel
 
Component Elements PropertiesMetricEnglishComments
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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