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AWS ERTi-5 vs. EN 1.8888 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.8888 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is EN 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 10
16
Fatigue Strength, MPa 470
470
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900
830
Tensile Strength: Yield (Proof), MPa 830
720

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
420
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
40
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.7
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
1.9
Embodied Energy, MJ/kg 610
26
Embodied Water, L/kg 200
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
1370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
29
Strength to Weight: Bending, points 46
25
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 63
24

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 0
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
91.9 to 100
Manganese (Mn), % 0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0 to 0.030
0 to 0.015
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 88.2 to 90.9
0 to 0.050
Vanadium (V), % 3.5 to 4.5
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15