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AWS E308Mo vs. SAE-AISI D2 Steel

Both AWS E308Mo and SAE-AISI D2 steel are iron alloys. They have 79% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E308Mo and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
5.0 to 16
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 620
760 to 2000

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
31
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
3.4
Embodied Energy, MJ/kg 53
50
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 28
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27 to 72
Strength to Weight: Bending, points 20
24 to 46
Thermal Diffusivity, mm2/s 4.2
8.3
Thermal Shock Resistance, points 16
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.080
1.4 to 1.6
Chromium (Cr), % 18 to 21
11 to 13
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 59.6 to 70.5
81.3 to 86.9
Manganese (Mn), % 0.5 to 2.5
0 to 0.6
Molybdenum (Mo), % 2.0 to 3.0
0.7 to 1.2
Nickel (Ni), % 9.0 to 12
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 1.1