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Grade 4 Titanium vs. EN 1.3553 Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.3553 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 4 titanium and the bottom bar is EN 1.3553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 640
720

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
540
Melting Completion (Liquidus), °C 1660
1620
Melting Onset (Solidus), °C 1610
1570
Specific Heat Capacity, J/kg-K 540
440
Thermal Conductivity, W/m-K 19
24
Thermal Expansion, µm/m-K 9.4
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 31
8.5
Embodied Energy, MJ/kg 500
130
Embodied Water, L/kg 110
96

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 37
21
Thermal Diffusivity, mm2/s 7.6
6.4
Thermal Shock Resistance, points 46
21

Alloy Composition

Carbon (C), % 0 to 0.080
0.78 to 0.86
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
80.7 to 83.7
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
4.7 to 5.2
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.6 to 100
0
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0
1.7 to 2.0
Residuals, % 0 to 0.4
0