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ACI-ASTM CK20 Steel vs. ASTM A283 Carbon Steel

Both ACI-ASTM CK20 steel and ASTM A283 carbon steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is ASTM A283 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 37
26 to 34
Fatigue Strength, MPa 220
150 to 190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 530
360 to 480
Tensile Strength: Yield (Proof), MPa 260
180 to 260

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
51 to 53
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 4.4
1.4
Embodied Energy, MJ/kg 62
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
91 to 180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
13 to 17
Strength to Weight: Bending, points 19
14 to 17
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 13
11 to 15