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Grade 4 Titanium vs. EN 1.7213 Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.7213 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 4 titanium and the bottom bar is EN 1.7213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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
500 to 1550

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
44
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
2.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.5
Embodied Energy, MJ/kg 500
20
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
18 to 55
Strength to Weight: Bending, points 37
18 to 38
Thermal Diffusivity, mm2/s 7.6
12
Thermal Shock Resistance, points 46
15 to 45

Alloy Composition

Carbon (C), % 0 to 0.080
0.22 to 0.29
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
96.7 to 98.1
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.3
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
0.020 to 0.040
Titanium (Ti), % 98.6 to 100
0
Residuals, % 0 to 0.4
0