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ACI-ASTM CF20 Steel vs. ASTM A182 Grade F3V

Both ACI-ASTM CF20 steel and ASTM A182 grade F3V are iron alloys. They have 73% 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 ACI-ASTM CF20 steel and the bottom bar is ASTM A182 grade F3V.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
20
Fatigue Strength, MPa 240
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 530
660
Tensile Strength: Yield (Proof), MPa 250
470

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 970
470
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.3
Embodied Energy, MJ/kg 44
33
Embodied Water, L/kg 150
63

Common Calculations

PREN (Pitting Resistance) 20
6.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 11
19

Alloy Composition

Boron (B), % 0
0.0010 to 0.0030
Carbon (C), % 0 to 0.2
0.050 to 0.18
Chromium (Cr), % 18 to 21
2.8 to 3.2
Iron (Fe), % 64.2 to 74
94.4 to 95.7
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.020
Titanium (Ti), % 0
0.015 to 0.035
Vanadium (V), % 0
0.2 to 0.3