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EN 1.0644 Steel vs. Grade 1 Titanium

EN 1.0644 steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium 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 EN 1.0644 steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17
28
Fatigue Strength, MPa 380
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
39
Shear Strength, MPa 420
200
Tensile Strength: Ultimate (UTS), MPa 690
310
Tensile Strength: Yield (Proof), MPa 570
220

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 47
20
Thermal Expansion, µm/m-K 12
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.8
31
Embodied Energy, MJ/kg 24
510
Embodied Water, L/kg 50
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
79
Resilience: Unit (Modulus of Resilience), kJ/m3 870
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 13
8.2
Thermal Shock Resistance, points 22
24

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
0
Carbon (C), % 0.16 to 0.22
0 to 0.080
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96.1 to 98.4
0 to 0.2
Manganese (Mn), % 1.3 to 1.7
0
Molybdenum (Mo), % 0 to 0.080
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0 to 0.050
99.095 to 100
Vanadium (V), % 0.080 to 0.15
0
Residuals, % 0
0 to 0.4