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AWS ERTi-12 vs. EN 1.7375 Steel

AWS ERTi-12 belongs to the titanium alloys classification, while EN 1.7375 steel belongs to the iron 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 AWS ERTi-12 and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 12
20
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
74
Tensile Strength: Ultimate (UTS), MPa 480
620
Tensile Strength: Yield (Proof), MPa 340
400

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
460
Melting Completion (Liquidus), °C 1670
1470
Melting Onset (Solidus), °C 1620
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
39
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
3.9
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.8
Embodied Energy, MJ/kg 510
23
Embodied Water, L/kg 110
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
110
Resilience: Unit (Modulus of Resilience), kJ/m3 550
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 8.7
11
Thermal Shock Resistance, points 37
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
94.5 to 96.7
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 0.2 to 0.4
0.9 to 1.1
Nickel (Ni), % 0.060 to 0.090
0 to 0.3
Nitrogen (N), % 0 to 0.015
0 to 0.012
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99.147 to 99.66
0