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AWS ERTi-1 vs. S35125 Stainless Steel

AWS ERTi-1 belongs to the titanium alloys classification, while S35125 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 24
39
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 240
540
Tensile Strength: Yield (Proof), MPa 170
230

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1670
1430
Melting Onset (Solidus), °C 1620
1380
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 8.7
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
6.4
Embodied Energy, MJ/kg 510
89
Embodied Water, L/kg 110
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 8.7
3.1
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
20 to 23
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
36.2 to 45.8
Manganese (Mn), % 0
1.0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.773 to 99.97
0