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SAE-AISI M44 Steel vs. AWS ERTi-5

SAE-AISI M44 steel belongs to the iron alloys classification, while AWS ERTi-5 belongs to the titanium alloys. There are 21 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 SAE-AISI M44 steel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
900

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1590
1610
Melting Onset (Solidus), °C 1540
1560
Specific Heat Capacity, J/kg-K 440
560
Thermal Conductivity, W/m-K 14
7.1
Thermal Expansion, µm/m-K 12
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 43
36
Density, g/cm3 8.4
4.4
Embodied Carbon, kg CO2/kg material 9.9
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 170
200

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 28 to 75
56
Strength to Weight: Bending, points 24 to 46
46
Thermal Diffusivity, mm2/s 3.7
2.9
Thermal Shock Resistance, points 27 to 70
63

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 1.1 to 1.2
0 to 0.050
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 65.3 to 70.6
0 to 0.22
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.3 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.2 to 90.9
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
3.5 to 4.5