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Grade 28 Titanium vs. AWS ERNiCrMo-4

Grade 28 titanium belongs to the titanium alloys classification, while AWS ERNiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 28 titanium and the bottom bar is AWS ERNiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 11 to 17
28
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
84
Tensile Strength: Ultimate (UTS), MPa 690 to 980
790

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Melting Completion (Liquidus), °C 1640
1590
Melting Onset (Solidus), °C 1590
1530
Specific Heat Capacity, J/kg-K 550
410
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 37
13
Embodied Energy, MJ/kg 600
170
Embodied Water, L/kg 370
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 43 to 61
24
Strength to Weight: Bending, points 39 to 49
21
Thermal Shock Resistance, points 47 to 66
22

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 0
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
4.0 to 7.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
50 to 63.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.4 to 95.4
0
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 2.0 to 3.0
0 to 0.35
Residuals, % 0
0 to 0.5