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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 STAN9511 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 Density Mechanical Properties Hardness, Brinell Hardness, Knoop Hardness, Rockwell B Hardness, Vickers Tensile Strength, Ultimate Tensile Strength, Yield Elongation at Break Reduction of Area Modulus of Elasticity Bulk Modulus
Metric 7.87 g/cc
English 0.284 lb/in³
Comments
Metric
English
Comments
121 140 68 126 420 MPa
121 140 68 126 60900 psi
Converted from Brinell hardness. Converted from Brinell hardness. Converted from Brinell hardness.
350 MPa 15 % 40 % 186 GPa 148 GPa
50800 psi 15 % 40 % 27000 ksi 21500 ksi
Poissons Ratio Machinability
0.29 65 %
0.29 65 %
Shear Modulus
72.0 GPa
10400 ksi
Metric 0.0000159 ohmcm
English 0.0000159 ohmcm
@Temperature 0.000 °C
@Temperature 32.0 °F
0.0000219 ohmcm
0.0000219 ohmcm
@Temperature 100 °C
@Temperature 212 °F
0.0000292 ohmcm
0.0000292 ohmcm
@Temperature 200 °C
@Temperature 392 °F
Metric 11.7 µm/m°C
English 6.50 µin/in°F
Electrical Properties Electrical Resistivity Thermal Properties CTE, linear
In 50 mm
calculated from elastic modulus and Poisson's ratio Based on AISI 1212 steel. as 100% machinability calculated from elastic modulus and Poisson's ratio Comments condition unknown condition unknown condition unknown Comments
@Temperature 0.000 100 °C @Temperature 32.0 212 °F
12.8 µm/m°C
7.11 µin/in°F
@Temperature 0.000 300 °C @Temperature 32.0 572 °F
13.9 µm/m°C
7.72 µin/in°F
@Temperature 0.000 500 °C @Temperature 32.0 932 °F
Specific Heat Capacity
0.486 J/g°C
0.116 BTU/lb°F
@Temperature >=100 °C
@Temperature >=212 °F
condition unknown
0.519 J/g°C
0.124 BTU/lb°F
@Temperature 150 200 °C @Temperature 302 392 °F
0.599 J/g°C
0.143 BTU/lb°F
@Temperature 350 400 °C @Temperature 662 752 °F
Thermal Conductivity Component Elements Properties Carbon, C Iron, Fe Manganese, Mn Phosphorous, P Sulfur, S
51.9 W/mK
360 BTUin/hrft²°F
Typical steel
Metric
English
Comments
0.17 0.23 % 99.08 99.53 % 0.30 0.60 %