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Grade 4 Titanium vs. EN 1.7016 Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.7016 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 1.7016 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130 to 170
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
450 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
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.2
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 500
19
Embodied Water, L/kg 110
50

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.080
0.14 to 0.2
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
97.3 to 98.6
Manganese (Mn), % 0
0.6 to 0.9
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 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.6 to 100
0
Residuals, % 0 to 0.4
0