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EN 1.7365 Steel vs. R56401 Titanium

EN 1.7365 steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7365 steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18
9.1
Fatigue Strength, MPa 320
480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 700
940
Tensile Strength: Yield (Proof), MPa 470
850

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 510
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 40
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.8
38
Embodied Energy, MJ/kg 24
610
Embodied Water, L/kg 70
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83
Resilience: Unit (Modulus of Resilience), kJ/m3 580
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25
59
Strength to Weight: Bending, points 22
48
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 20
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.12 to 0.19
0 to 0.080
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 91.2 to 94.9
0 to 0.25
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.65
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0 to 0.050
3.5 to 4.5