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ASTM A182 Grade F122 vs. SAE-AISI A3 Steel

Both ASTM A182 grade F122 and SAE-AISI A3 steel are iron alloys. They have a moderately high 91% 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 ASTM A182 grade F122 and the bottom bar is SAE-AISI A3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 710
700 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1490
1450
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
37
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
6.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.4
Embodied Energy, MJ/kg 44
67
Embodied Water, L/kg 100
78

Common Calculations

PREN (Pitting Resistance) 17
8.9
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
25 to 77
Strength to Weight: Bending, points 22
23 to 48
Thermal Diffusivity, mm2/s 6.4
10
Thermal Shock Resistance, points 19
23 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
1.2 to 1.3
Chromium (Cr), % 10 to 11.5
4.8 to 5.5
Copper (Cu), % 0.3 to 1.7
0 to 0.25
Iron (Fe), % 81.3 to 87.7
88.7 to 92
Manganese (Mn), % 0 to 0.7
0.4 to 0.6
Molybdenum (Mo), % 0.25 to 0.6
0.9 to 1.4
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0.8 to 1.4
Zirconium (Zr), % 0 to 0.010
0