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AWS ERTi-1 vs. EN 1.7272 Steel

AWS ERTi-1 belongs to the titanium alloys classification, while EN 1.7272 steel belongs to the iron alloys. There are 24 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-1 and the bottom bar is EN 1.7272 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
73
Tensile Strength: Ultimate (UTS), MPa 240
490 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
410
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
45
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.2
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.5
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 15
17 to 59
Strength to Weight: Bending, points 19
18 to 40
Thermal Diffusivity, mm2/s 8.7
12
Thermal Shock Resistance, points 19
14 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.28 to 0.33
Chromium (Cr), % 0
0.4 to 0.55
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
97.2 to 98.3
Manganese (Mn), % 0
0.9 to 1.2
Molybdenum (Mo), % 0
0.1 to 0.15
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 99.773 to 99.97
0