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Grade 1 Titanium vs. EN 1.7375 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.7375 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 170
270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
74
Shear Strength, MPa 200
380
Tensile Strength: Ultimate (UTS), MPa 310
620
Tensile Strength: Yield (Proof), MPa 220
400

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
460
Melting Completion (Liquidus), °C 1660
1470
Melting Onset (Solidus), °C 1610
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
39
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
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 79
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 8.2
11
Thermal Shock Resistance, points 24
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.080
0.1 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
94.5 to 96.7
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0 to 0.012
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0