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AWS ERTi-5 vs. EN 1.6958 Steel

AWS ERTi-5 belongs to the titanium alloys classification, while EN 1.6958 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 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 10
16
Fatigue Strength, MPa 470
700
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 900
1140
Tensile Strength: Yield (Proof), MPa 830
1070

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
450
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
47
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
5.0
Density, g/cm3 4.4
7.9
Embodied Carbon, kg CO2/kg material 38
2.0
Embodied Energy, MJ/kg 610
27
Embodied Water, L/kg 200
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
180
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
3050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
40
Strength to Weight: Bending, points 46
31
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 63
39

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0.0050 to 0.050
Carbon (C), % 0 to 0.050
0.25 to 0.3
Chromium (Cr), % 0
1.2 to 1.7
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
92.6 to 94.5
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
0.35 to 0.55
Nickel (Ni), % 0
3.3 to 3.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.15 to 0.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 88.2 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0 to 0.12