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AWS ERTi-5 vs. EN 1.4374 Stainless Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.4374 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 EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 10
40
Fatigue Strength, MPa 470
340
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 900
800
Tensile Strength: Yield (Proof), MPa 830
400

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
920
Melting Completion (Liquidus), °C 1610
1400
Melting Onset (Solidus), °C 1560
1360
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
14
Density, g/cm3 4.4
7.7
Embodied Carbon, kg CO2/kg material 38
2.9
Embodied Energy, MJ/kg 610
42
Embodied Water, L/kg 200
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
270
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
400
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 56
29
Strength to Weight: Bending, points 46
25
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 63
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.050 to 0.1
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
63.5 to 67.9
Manganese (Mn), % 0
9.0 to 10
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0 to 0.030
0.25 to 0.32
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0