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AWS ERTi-1 vs. S44535 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while S44535 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-1 and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 24
28
Fatigue Strength, MPa 120
210
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 240
450
Tensile Strength: Yield (Proof), MPa 170
290

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
1000
Melting Completion (Liquidus), °C 1670
1430
Melting Onset (Solidus), °C 1620
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.4
Embodied Energy, MJ/kg 510
34
Embodied Water, L/kg 110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 15
16
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 8.7
5.6
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0
0.3 to 0.8
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99.773 to 99.97
0.030 to 0.2