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SAE-AISI M44 Steel vs. AWS E309Mo

Both SAE-AISI M44 steel and AWS E309Mo are iron alloys. They have 67% 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 M44 steel and the bottom bar is AWS E309Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1590
1430
Melting Onset (Solidus), °C 1540
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 43
22
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.9
4.2
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 35
32
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28 to 75
22
Strength to Weight: Bending, points 24 to 46
20
Thermal Diffusivity, mm2/s 3.7
3.9
Thermal Shock Resistance, points 27 to 70
15

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.12
Chromium (Cr), % 4.0 to 4.8
22 to 25
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 65.3 to 70.6
53.6 to 63.5
Manganese (Mn), % 0.2 to 0.4
0.5 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
12 to 14
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.3 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0