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AWS ERTi-2 vs. S41003 Stainless Steel

AWS ERTi-2 belongs to the titanium alloys classification, while S41003 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-2 and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
21
Fatigue Strength, MPa 190
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 340
520
Tensile Strength: Yield (Proof), MPa 280
310

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
720
Melting Completion (Liquidus), °C 1670
1440
Melting Onset (Solidus), °C 1620
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
27
Thermal Expansion, µm/m-K 8.7
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.9
Embodied Energy, MJ/kg 510
27
Embodied Water, L/kg 110
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
92
Resilience: Unit (Modulus of Resilience), kJ/m3 360
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 8.7
7.2
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
83.4 to 89.5
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 1.5
Nitrogen (N), % 0 to 0.015
0 to 0.030
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