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AWS ERTi-12 vs. S20910 Stainless Steel

AWS ERTi-12 belongs to the titanium alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 12
14 to 39
Fatigue Strength, MPa 200
310 to 460
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 480
780 to 940
Tensile Strength: Yield (Proof), MPa 340
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1080
Melting Completion (Liquidus), °C 1670
1420
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 8.7
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
4.8
Embodied Energy, MJ/kg 510
68
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 550
460 to 1640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 30
28 to 33
Strength to Weight: Bending, points 30
24 to 27
Thermal Diffusivity, mm2/s 8.7
3.6
Thermal Shock Resistance, points 37
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
52.1 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0.2 to 0.4
1.5 to 3.0
Nickel (Ni), % 0.060 to 0.090
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0 to 0.015
0.2 to 0.4
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0
Vanadium (V), % 0
0.1 to 0.3