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EN 1.7386 Steel vs. Grade 7 Titanium

EN 1.7386 steel belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7386 steel and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 21
24
Fatigue Strength, MPa 170 to 290
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
38
Shear Strength, MPa 340 to 410
270
Tensile Strength: Ultimate (UTS), MPa 550 to 670
420
Tensile Strength: Yield (Proof), MPa 240 to 440
340

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 600
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 26
22
Thermal Expansion, µm/m-K 13
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.0
47
Embodied Energy, MJ/kg 28
800
Embodied Water, L/kg 88
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 20 to 24
26
Strength to Weight: Bending, points 19 to 22
28
Thermal Diffusivity, mm2/s 6.9
8.9
Thermal Shock Resistance, points 15 to 18
31

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.080
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 86.8 to 90.5
0 to 0.3
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.25 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
98.7 to 99.88
Residuals, % 0
0 to 0.4