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EN 1.7375 Steel vs. Grade 35 Titanium

EN 1.7375 steel belongs to the iron alloys classification, while grade 35 titanium belongs to the titanium alloys. There are 30 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 1.7375 steel and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
5.6
Fatigue Strength, MPa 270
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
41
Shear Strength, MPa 380
580
Tensile Strength: Ultimate (UTS), MPa 620
1000
Tensile Strength: Yield (Proof), MPa 400
630

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 460
320
Melting Completion (Liquidus), °C 1470
1630
Melting Onset (Solidus), °C 1430
1580
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 39
7.4
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
37
Density, g/cm3 7.9
4.6
Embodied Carbon, kg CO2/kg material 1.8
33
Embodied Energy, MJ/kg 23
530
Embodied Water, L/kg 59
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
49
Resilience: Unit (Modulus of Resilience), kJ/m3 420
1830
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22
61
Strength to Weight: Bending, points 20
49
Thermal Diffusivity, mm2/s 11
3.0
Thermal Shock Resistance, points 18
70

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
4.0 to 5.0
Carbon (C), % 0.1 to 0.15
0 to 0.080
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94.5 to 96.7
0.2 to 0.8
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.1
1.5 to 2.5
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0 to 0.012
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.3
0.2 to 0.4
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4