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Grade 1 Titanium vs. EN 1.1127 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.1127 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 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
14 to 25
Fatigue Strength, MPa 170
280 to 370
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
420 to 480
Tensile Strength: Ultimate (UTS), MPa 310
660 to 790
Tensile Strength: Yield (Proof), MPa 220
410 to 580

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
1410
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.1
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.5
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 230
440 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
23 to 28
Strength to Weight: Bending, points 23
22 to 24
Thermal Diffusivity, mm2/s 8.2
13
Thermal Shock Resistance, points 24
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0.34 to 0.42
Chromium (Cr), % 0
0 to 0.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
96.6 to 98.1
Manganese (Mn), % 0
1.4 to 1.7
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
0.15 to 0.35
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0