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AWS ERTi-1 vs. EN 1.6554 Steel

AWS ERTi-1 belongs to the titanium alloys classification, while EN 1.6554 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 24
17 to 21
Fatigue Strength, MPa 120
380 to 520
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 240
780 to 930
Tensile Strength: Yield (Proof), MPa 170
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
420
Melting Completion (Liquidus), °C 1670
1460
Melting Onset (Solidus), °C 1620
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.4
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.7
Embodied Energy, MJ/kg 510
22
Embodied Water, L/kg 110
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 140
810 to 1650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 15
27 to 33
Strength to Weight: Bending, points 19
24 to 27
Thermal Diffusivity, mm2/s 8.7
11
Thermal Shock Resistance, points 19
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.23 to 0.28
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
94.6 to 97.3
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.0 to 2.0
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 99.773 to 99.97
0
Vanadium (V), % 0
0 to 0.030