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Grade 1 Titanium vs. EN 1.6957 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.6957 steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
280
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
18
Fatigue Strength, MPa 170
530
Poisson's Ratio 0.32
0.29
Reduction in Area, % 36
46
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
570
Tensile Strength: Ultimate (UTS), MPa 310
930
Tensile Strength: Yield (Proof), MPa 220
780

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
450
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
47
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 37
5.0
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
2.1
Embodied Energy, MJ/kg 510
29
Embodied Water, L/kg 110
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
160
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 8.2
13
Thermal Shock Resistance, points 24
27

Alloy Composition

Carbon (C), % 0 to 0.080
0.22 to 0.32
Chromium (Cr), % 0
1.2 to 1.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
92.7 to 94.7
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.15
Sulfur (S), % 0
0 to 0.0070
Titanium (Ti), % 99.095 to 100
0
Vanadium (V), % 0
0.050 to 0.15
Residuals, % 0 to 0.4
0