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ASTM A182 Grade F23 vs. SAE-AISI 8620 Steel

Both ASTM A182 grade F23 and SAE-AISI 8620 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F23 and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
13 to 31
Fatigue Strength, MPa 320
270 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 360
340 to 420
Tensile Strength: Ultimate (UTS), MPa 570
520 to 690
Tensile Strength: Yield (Proof), MPa 460
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
410
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.6
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 36
20
Embodied Water, L/kg 59
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 550
340 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
18 to 24
Strength to Weight: Bending, points 19
18 to 22
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 17
15 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0.18 to 0.23
Chromium (Cr), % 1.9 to 2.6
0.4 to 0.6
Iron (Fe), % 93.2 to 96.2
96.9 to 98
Manganese (Mn), % 0.1 to 0.6
0.7 to 0.9
Molybdenum (Mo), % 0.050 to 0.3
0.15 to 0.25
Nickel (Ni), % 0 to 0.4
0.4 to 0.7
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
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