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AWS ERTi-5 vs. EN 1.8901 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.8901 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 1.8901 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 10
19
Fatigue Strength, MPa 470
340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900
630
Tensile Strength: Yield (Proof), MPa 830
490

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
410
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
44
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
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.6
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
1.8
Embodied Energy, MJ/kg 610
24
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
22
Strength to Weight: Bending, points 46
21
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 63
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.015
Carbon (C), % 0 to 0.050
0 to 0.22
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
95 to 99.05
Manganese (Mn), % 0
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0 to 0.030
0 to 0.027
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.65
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.2 to 90.9
0 to 0.060
Vanadium (V), % 3.5 to 4.5
0 to 0.22