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AWS E308Mo vs. SAE-AISI 9310 Steel

Both AWS E308Mo and SAE-AISI 9310 steel are iron alloys. They have 70% 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 AWS E308Mo and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17 to 19
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 620
820 to 910

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.8
Embodied Energy, MJ/kg 53
24
Embodied Water, L/kg 160
57

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
29 to 32
Strength to Weight: Bending, points 20
25 to 27
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 16
24 to 27

Alloy Composition

Carbon (C), % 0 to 0.080
0.080 to 0.13
Chromium (Cr), % 18 to 21
1.0 to 1.4
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 59.6 to 70.5
93.8 to 95.2
Manganese (Mn), % 0.5 to 2.5
0.45 to 0.65
Molybdenum (Mo), % 2.0 to 3.0
0.080 to 0.15
Nickel (Ni), % 9.0 to 12
3.0 to 3.5
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.2 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.012