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AWS ERTi-5 vs. 50Cr-50Ni-Cb Alloy

AWS ERTi-5 belongs to the titanium alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. There are 21 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 ERTi-5 and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 10
5.6
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 40
84
Tensile Strength: Ultimate (UTS), MPa 900
620
Tensile Strength: Yield (Proof), MPa 830
390

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Specific Heat Capacity, J/kg-K 560
480
Thermal Expansion, µm/m-K 9.6
15

Otherwise Unclassified Properties

Base Metal Price, % relative 36
60
Density, g/cm3 4.4
8.0
Embodied Carbon, kg CO2/kg material 38
9.2
Embodied Energy, MJ/kg 610
130
Embodied Water, L/kg 200
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
30
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
370
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
21
Strength to Weight: Bending, points 46
20
Thermal Shock Resistance, points 63
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.25
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 0
47 to 52
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
0 to 1.0
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0 to 0.030
0 to 0.16
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 88.2 to 90.9
0 to 0.5
Vanadium (V), % 3.5 to 4.5
0