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AWS ERTi-2 vs. AISI 201 Stainless Steel

AWS ERTi-2 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-2 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, % 20
4.6 to 51
Fatigue Strength, MPa 190
280 to 600
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 340
650 to 1450
Tensile Strength: Yield (Proof), MPa 280
300 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
880
Melting Completion (Liquidus), °C 1670
1410
Melting Onset (Solidus), °C 1620
1370
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 510
38
Embodied Water, L/kg 110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
61 to 340
Resilience: Unit (Modulus of Resilience), kJ/m3 360
230 to 2970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
23 to 52
Strength to Weight: Bending, points 24
22 to 37
Thermal Diffusivity, mm2/s 8.7
4.0
Thermal Shock Resistance, points 27
14 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
67.5 to 75
Manganese (Mn), % 0
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0 to 0.015
0 to 0.25
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.667 to 99.92
0