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SAE-AISI A2 Steel vs. ASTM A182 Grade F23

Both SAE-AISI A2 steel and ASTM A182 grade F23 are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
570

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1450
1500
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
7.0
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 38
36
Embodied Water, L/kg 73
59

Common Calculations

PREN (Pitting Resistance) 8.9
5.7
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 73
20
Strength to Weight: Bending, points 23 to 46
19
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 25 to 71
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 1.0 to 1.1
0.040 to 0.1
Chromium (Cr), % 4.8 to 5.5
1.9 to 2.6
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.4 to 93.3
93.2 to 96.2
Manganese (Mn), % 0 to 1.0
0.1 to 0.6
Molybdenum (Mo), % 0.9 to 1.4
0.050 to 0.3
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0.15 to 0.5
0.2 to 0.3