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Grade 1 Titanium vs. EN 1.1158 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.1158 steel belongs to the iron alloys. There are 31 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 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
23 to 24
Fatigue Strength, MPa 170
170 to 220
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
300 to 320
Tensile Strength: Ultimate (UTS), MPa 310
470 to 500
Tensile Strength: Yield (Proof), MPa 220
240 to 310

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
49
Thermal Expansion, µm/m-K 8.8
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.1
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
150 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
17 to 18
Strength to Weight: Bending, points 23
17 to 18
Thermal Diffusivity, mm2/s 8.2
13
Thermal Shock Resistance, points 24
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0.22 to 0.29
Chromium (Cr), % 0
0 to 0.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
97.6 to 99.38
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
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 to 0.035
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0