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Titanium 6-7 vs. EN 1.7375 Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.7375 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 530
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
74
Shear Strength, MPa 610
380
Tensile Strength: Ultimate (UTS), MPa 1020
620
Tensile Strength: Yield (Proof), MPa 900
400

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
460
Melting Completion (Liquidus), °C 1700
1470
Melting Onset (Solidus), °C 1650
1430
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.9
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
1.8
Embodied Energy, MJ/kg 540
23
Embodied Water, L/kg 190
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
22
Strength to Weight: Bending, points 44
20
Thermal Shock Resistance, points 66
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
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 0.0090
0
Iron (Fe), % 0 to 0.25
94.5 to 96.7
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 6.5 to 7.5
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0 to 0.012
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0