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AWS ERTi-12 vs. EN 1.3551 Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.3551 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
75
Tensile Strength: Ultimate (UTS), MPa 480
720

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
530
Melting Completion (Liquidus), °C 1670
1490
Melting Onset (Solidus), °C 1620
1450
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 21
36
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.0
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
4.9
Embodied Energy, MJ/kg 510
71
Embodied Water, L/kg 110
82

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 30
26
Strength to Weight: Bending, points 30
23
Thermal Diffusivity, mm2/s 8.7
9.8
Thermal Shock Resistance, points 37
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.77 to 0.85
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
88.8 to 91.1
Manganese (Mn), % 0
0.15 to 0.35
Molybdenum (Mo), % 0.2 to 0.4
4.0 to 4.5
Nickel (Ni), % 0.060 to 0.090
0
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.147 to 99.66
0
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1