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AWS ERTi-5 vs. EN 1.7379 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.7379 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-5 and the bottom bar is EN 1.7379 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 10
21
Fatigue Strength, MPa 470
320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 900
670
Tensile Strength: Yield (Proof), MPa 830
460

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
460
Melting Completion (Liquidus), °C 1610
1470
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
39
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.8
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
1.8
Embodied Energy, MJ/kg 610
23
Embodied Water, L/kg 200
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 46
22
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 63
19

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.13 to 0.2
Chromium (Cr), % 0
2.0 to 2.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
94.5 to 96.5
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 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