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AWS ERNiCrMo-2 vs. Grade 38 Titanium

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 750
1000

Thermal Properties

Latent Heat of Fusion, J/g 320
410
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 450
550
Thermal Conductivity, W/m-K 11
8.0
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
36
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 9.2
35
Embodied Energy, MJ/kg 120
560
Embodied Water, L/kg 270
160

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 25
62
Strength to Weight: Bending, points 22
49
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 20
72

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.5
Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 17 to 20
1.2 to 1.8
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
89.9 to 93.1
Tungsten (W), % 0.2 to 1.0
0
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4