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Grade 4 Titanium vs. EN 1.3521 Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.3521 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 4 titanium and the bottom bar is EN 1.3521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 640
490 to 1390

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 19
45
Thermal Expansion, µm/m-K 9.4
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.3
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.5
Embodied Energy, MJ/kg 500
19
Embodied Water, L/kg 110
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 40
17 to 49
Strength to Weight: Bending, points 37
18 to 35
Thermal Diffusivity, mm2/s 7.6
12
Thermal Shock Resistance, points 46
14 to 41

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0.14 to 0.19
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
96.8 to 98.2
Manganese (Mn), % 0
1.0 to 1.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0 to 0.0020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.6 to 100
0
Residuals, % 0 to 0.4
0