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Grade 1 Titanium vs. EN 1.1140 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.1140 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
130
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
28
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
280
Tensile Strength: Ultimate (UTS), MPa 310
430
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
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
51
Thermal Expansion, µm/m-K 8.8
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
18
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
100
Resilience: Unit (Modulus of Resilience), kJ/m3 230
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 8.2
14
Thermal Shock Resistance, points 24
14

Alloy Composition

Carbon (C), % 0 to 0.080
0.12 to 0.18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
98.7 to 99.56
Manganese (Mn), % 0
0.3 to 0.6
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0.020 to 0.040
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0