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SAE-AISI M44 Steel vs. AWS E3155

Both SAE-AISI M44 steel and AWS E3155 are iron alloys. They have 52% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (1, 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 E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
770

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1590
1460
Melting Onset (Solidus), °C 1540
1410
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
70
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.9
7.7
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 170
300

Common Calculations

PREN (Pitting Resistance) 35
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28 to 75
26
Strength to Weight: Bending, points 24 to 46
22
Thermal Diffusivity, mm2/s 3.7
3.3
Thermal Shock Resistance, points 27 to 70
20

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.1
Chromium (Cr), % 4.0 to 4.8
20 to 22.5
Cobalt (Co), % 11 to 12.3
18.5 to 21
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 65.3 to 70.6
23.3 to 36.3
Manganese (Mn), % 0.2 to 0.4
1.0 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
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
2.0 to 3.0
Vanadium (V), % 1.9 to 2.2
0