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ASTM A182 Grade F23 vs. ACI-ASTM CK20 Steel

Both ASTM A182 grade F23 and ACI-ASTM CK20 steel are iron alloys. They have 56% of their average alloy composition in common. There are 31 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 ASTM A182 grade F23 and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
37
Fatigue Strength, MPa 320
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 570
530
Tensile Strength: Yield (Proof), MPa 460
260

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
14
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
4.4
Embodied Energy, MJ/kg 36
62
Embodied Water, L/kg 59
190

Common Calculations

PREN (Pitting Resistance) 5.7
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 550
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.2
Chromium (Cr), % 1.9 to 2.6
23 to 27
Iron (Fe), % 93.2 to 96.2
46.7 to 58
Manganese (Mn), % 0.1 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.050 to 0.3
0 to 0.5
Nickel (Ni), % 0 to 0.4
19 to 22
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0