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SAE-AISI M2 Steel vs. AWS E385

Both SAE-AISI M2 steel and AWS E385 are iron alloys. They have 56% 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 M2 steel and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1570
1390
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 8.8
5.8
Embodied Energy, MJ/kg 130
79
Embodied Water, L/kg 98
200

Common Calculations

PREN (Pitting Resistance) 31
36
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25 to 71
20
Strength to Weight: Bending, points 22 to 44
19
Thermal Diffusivity, mm2/s 5.9
3.6
Thermal Shock Resistance, points 27 to 76
15

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
19.5 to 21.5
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 78.5 to 83.4
41.8 to 50.1
Manganese (Mn), % 0.15 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 4.5 to 5.5
4.2 to 5.2
Nickel (Ni), % 0 to 0.3
24 to 26
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0