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AWS E90C-B9 vs. SAE-AISI M2 Steel

Both AWS E90C-B9 and SAE-AISI M2 steel are iron alloys. They have 87% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E90C-B9 and the bottom bar is SAE-AISI M2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 710
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 25
22
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
24
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.8
Embodied Energy, MJ/kg 37
130
Embodied Water, L/kg 91
98

Common Calculations

PREN (Pitting Resistance) 13
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
25 to 71
Strength to Weight: Bending, points 23
22 to 44
Thermal Diffusivity, mm2/s 6.9
5.9
Thermal Shock Resistance, points 20
27 to 76

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.13
0.78 to 1.1
Chromium (Cr), % 8.0 to 10.5
3.8 to 4.5
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 84.4 to 90.9
78.5 to 83.4
Manganese (Mn), % 0 to 1.2
0.15 to 0.4
Molybdenum (Mo), % 0.85 to 1.2
4.5 to 5.5
Nickel (Ni), % 0 to 0.8
0 to 0.3
Niobium (Nb), % 0.020 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0.15 to 0.3
1.8 to 2.2
Residuals, % 0 to 0.5
0