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EN 1.8550 Steel vs. AWS ERTi-5

EN 1.8550 steel belongs to the iron alloys classification, while AWS ERTi-5 belongs to the titanium 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 EN 1.8550 steel and the bottom bar is AWS ERTi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11
10
Fatigue Strength, MPa 470
470
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 1000
900
Tensile Strength: Yield (Proof), MPa 760
830

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 440
340
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 40
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 1.7
38
Embodied Energy, MJ/kg 23
610
Embodied Water, L/kg 67
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
87
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
3250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 36
56
Strength to Weight: Bending, points 29
46
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 29
63

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
5.5 to 6.8
Carbon (C), % 0.3 to 0.37
0 to 0.050
Chromium (Cr), % 1.5 to 1.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94.4 to 96.3
0 to 0.22
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.85 to 1.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
88.2 to 90.9
Vanadium (V), % 0
3.5 to 4.5