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Grade 1 Titanium vs. EN 1.0303 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.0303 steel belongs to the iron alloys.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
12 to 25
Fatigue Strength, MPa 170
150 to 230
Poisson's Ratio 0.32
0.29
Reduction in Area, % 36
75 to 86
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
220 to 260
Tensile Strength: Ultimate (UTS), MPa 310
290 to 410
Tensile Strength: Yield (Proof), MPa 220
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1470
Melting Onset (Solidus), °C 1610
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
53
Thermal Expansion, µm/m-K 8.8
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 230
110 to 270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
10 to 15
Strength to Weight: Bending, points 23
12 to 16
Thermal Diffusivity, mm2/s 8.2
14
Thermal Shock Resistance, points 24
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.080
0.020 to 0.060
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
99.335 to 99.71
Manganese (Mn), % 0
0.25 to 0.4
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0