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EN 1.7216 Steel vs. Grade 4 Titanium

EN 1.7216 steel belongs to the iron alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
200
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12 to 23
17
Fatigue Strength, MPa 290 to 440
340
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Shear Strength, MPa 410 to 560
390
Tensile Strength: Ultimate (UTS), MPa 650 to 930
640
Tensile Strength: Yield (Proof), MPa 400 to 690
530

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 420
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 46
19
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.5
31
Embodied Energy, MJ/kg 20
500
Embodied Water, L/kg 50
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23 to 33
40
Strength to Weight: Bending, points 21 to 27
37
Thermal Diffusivity, mm2/s 12
7.6
Thermal Shock Resistance, points 19 to 27
46

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.080
Chromium (Cr), % 0.8 to 1.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.2 to 98.4
0 to 0.5
Manganese (Mn), % 0.35 to 0.6
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
98.6 to 100
Residuals, % 0
0 to 0.4