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AWS ERTi-5 vs. S44660 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while S44660 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 10
20
Fatigue Strength, MPa 470
330
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 900
660
Tensile Strength: Yield (Proof), MPa 830
510

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
17
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
21
Density, g/cm3 4.4
7.7
Embodied Carbon, kg CO2/kg material 38
4.3
Embodied Energy, MJ/kg 610
61
Embodied Water, L/kg 200
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
640
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 46
22
Thermal Diffusivity, mm2/s 2.9
4.5
Thermal Shock Resistance, points 63
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0
25 to 28
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
60.4 to 71
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.030
0 to 0.040
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0.2 to 1.0
Vanadium (V), % 3.5 to 4.5
0