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AWS E90C-B3 vs. SAE-AISI A2 Steel

Both AWS E90C-B3 and SAE-AISI A2 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E90C-B3 and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 710
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
38
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
5.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 24
38
Embodied Water, L/kg 59
73

Common Calculations

PREN (Pitting Resistance) 5.7
8.9
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
25 to 73
Strength to Weight: Bending, points 23
23 to 46
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 21
25 to 71

Alloy Composition

Carbon (C), % 0.050 to 0.12
1.0 to 1.1
Chromium (Cr), % 2.0 to 2.5
4.8 to 5.5
Copper (Cu), % 0 to 0.35
0 to 0.25
Iron (Fe), % 93.4 to 96.4
89.4 to 93.3
Manganese (Mn), % 0.4 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0.9 to 1.4
Nickel (Ni), % 0 to 0.2
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.25 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.030
0.15 to 0.5
Residuals, % 0 to 0.5
0