MakeItFrom.com
Menu (ESC)

EN 1.7725 Steel vs. Titanium 6-2-4-2

EN 1.7725 steel belongs to the iron alloys classification, while titanium 6-2-4-2 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 1.7725 steel and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14
8.6
Fatigue Strength, MPa 390 to 550
490
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 830 to 1000
950
Tensile Strength: Yield (Proof), MPa 610 to 860
880

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 440
300
Melting Completion (Liquidus), °C 1460
1590
Melting Onset (Solidus), °C 1420
1540
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 39
6.9
Thermal Expansion, µm/m-K 13
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
42
Density, g/cm3 7.8
4.6
Embodied Carbon, kg CO2/kg material 1.8
32
Embodied Energy, MJ/kg 24
520
Embodied Water, L/kg 54
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
79
Resilience: Unit (Modulus of Resilience), kJ/m3 980 to 1940
3640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
34
Strength to Weight: Axial, points 29 to 35
57
Strength to Weight: Bending, points 25 to 28
46
Thermal Diffusivity, mm2/s 11
2.8
Thermal Shock Resistance, points 24 to 29
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.27 to 0.34
0 to 0.050
Chromium (Cr), % 1.3 to 1.7
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95.7 to 97.5
0 to 0.25
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.3 to 0.5
1.8 to 2.2
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0.060 to 0.12
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0
83.7 to 87.2
Vanadium (V), % 0.050 to 0.15
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4