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AWS ERTi-5 vs. S64512 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while S64512 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
17
Fatigue Strength, MPa 470
540
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 900
1140
Tensile Strength: Yield (Proof), MPa 830
890

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 340
750
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
28
Thermal Expansion, µm/m-K 9.6
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
3.3
Embodied Energy, MJ/kg 610
47
Embodied Water, L/kg 200
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
180
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
2020
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
40
Strength to Weight: Bending, points 46
31
Thermal Diffusivity, mm2/s 2.9
7.5
Thermal Shock Resistance, points 63
42

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.080 to 0.15
Chromium (Cr), % 0
11 to 12.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
80.6 to 84.7
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.030
0.010 to 0.050
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0.25 to 0.4