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AWS ERTi-2 vs. S17600 Stainless Steel

AWS ERTi-2 belongs to the titanium alloys classification, while S17600 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-2 and the bottom bar is S17600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
8.6 to 11
Fatigue Strength, MPa 190
300 to 680
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 340
940 to 1490
Tensile Strength: Yield (Proof), MPa 280
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
890
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
15
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
2.9
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 360
850 to 4390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
34 to 54
Strength to Weight: Bending, points 24
28 to 37
Thermal Diffusivity, mm2/s 8.7
4.1
Thermal Shock Resistance, points 27
31 to 50

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 0
16 to 17.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
71.3 to 77.6
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
6.0 to 7.5
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.667 to 99.92
0.4 to 1.2