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Grade 2 Titanium vs. EN 1.6553 Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.6553 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 2 titanium and the bottom bar is EN 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210 to 240
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
19 to 21
Fatigue Strength, MPa 250
330 to 460
Impact Strength: V-Notched Charpy, J 160
30
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
73
Tensile Strength: Ultimate (UTS), MPa 420
710 to 800
Tensile Strength: Yield (Proof), MPa 360
470 to 670

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
420
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 22
39
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.7
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.6
Embodied Energy, MJ/kg 510
21
Embodied Water, L/kg 110
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 600
600 to 1190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
25 to 28
Strength to Weight: Bending, points 28
23 to 24
Thermal Diffusivity, mm2/s 8.9
10
Thermal Shock Resistance, points 32
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.080
0.23 to 0.28
Chromium (Cr), % 0
0.4 to 0.8
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
95.6 to 98.2
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0
0.4 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.9 to 100
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0 to 0.4
0