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AWS ERTi-5 vs. EN 1.1122 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.1122 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 1.1122 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 10
12 to 21
Fatigue Strength, MPa 470
170 to 260
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900
340 to 460
Tensile Strength: Yield (Proof), MPa 830
240 to 370

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
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
51
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
1.4
Embodied Energy, MJ/kg 610
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
36 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
160 to 360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
12 to 16
Strength to Weight: Bending, points 46
14 to 17
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 63
11 to 15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0.080 to 0.12
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
98.7 to 99.62
Manganese (Mn), % 0
0.3 to 0.6
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 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0