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AWS ERTi-5 vs. AISI 314 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while AISI 314 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-5 and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
45
Fatigue Strength, MPa 470
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 900
590
Tensile Strength: Yield (Proof), MPa 830
230

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1380
Melting Onset (Solidus), °C 1560
1340
Specific Heat Capacity, J/kg-K 560
490
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 4.4
7.7
Embodied Carbon, kg CO2/kg material 38
4.3
Embodied Energy, MJ/kg 610
62
Embodied Water, L/kg 200
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
210
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
21
Strength to Weight: Bending, points 46
20
Thermal Diffusivity, mm2/s 2.9
3.9
Thermal Shock Resistance, points 63
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0 to 0.25
Chromium (Cr), % 0
23 to 26
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
46.7 to 56.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.5 to 3.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0