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AWS ERTi-5 vs. AISI 201 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while AISI 201 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is AISI 201 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
4.6 to 51
Fatigue Strength, MPa 470
280 to 600
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 900
650 to 1450
Tensile Strength: Yield (Proof), MPa 830
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 340
880
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
17

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
12
Density, g/cm3 4.4
7.7
Embodied Carbon, kg CO2/kg material 38
2.6
Embodied Energy, MJ/kg 610
38
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
230 to 2970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
23 to 52
Strength to Weight: Bending, points 46
22 to 37
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 63
14 to 32

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
67.5 to 75
Manganese (Mn), % 0
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0 to 0.030
0 to 0.25
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0