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SAE-AISI M7 Steel vs. AWS E310Mo

Both SAE-AISI M7 steel and AWS E310Mo are iron alloys. They have 55% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M7 steel and the bottom bar is AWS E310Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
620

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1560
1420
Melting Onset (Solidus), °C 1510
1370
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 28
14
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 18
28
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 8.9
5.1
Embodied Energy, MJ/kg 130
71
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 35
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 76
22
Strength to Weight: Bending, points 23 to 47
20
Thermal Diffusivity, mm2/s 7.8
3.7
Thermal Shock Resistance, points 24 to 69
15

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.12
Chromium (Cr), % 3.5 to 4.0
25 to 28
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 79.8 to 83.8
42.8 to 52
Manganese (Mn), % 0.15 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 8.2 to 9.2
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
20 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.55
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0