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EN 1.4372 Stainless Steel vs. Titanium 15-3-3-3

EN 1.4372 stainless steel belongs to the iron alloys classification, while titanium 15-3-3-3 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 1.4372 stainless steel and the bottom bar is titanium 15-3-3-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 47
5.7 to 8.0
Fatigue Strength, MPa 330
610 to 710
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
39
Shear Strength, MPa 560
660 to 810
Tensile Strength: Ultimate (UTS), MPa 790
1120 to 1390
Tensile Strength: Yield (Proof), MPa 350
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 880
430
Melting Completion (Liquidus), °C 1410
1620
Melting Onset (Solidus), °C 1370
1560
Specific Heat Capacity, J/kg-K 480
520
Thermal Conductivity, W/m-K 15
8.1
Thermal Expansion, µm/m-K 17
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
40
Density, g/cm3 7.7
4.8
Embodied Carbon, kg CO2/kg material 2.6
59
Embodied Energy, MJ/kg 38
950
Embodied Water, L/kg 140
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
78 to 89
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 29
64 to 80
Strength to Weight: Bending, points 25
50 to 57
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 17
79 to 98

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 16 to 18
2.5 to 3.5
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 67.5 to 75
0 to 0.25
Manganese (Mn), % 5.5 to 7.5
0
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.050 to 0.25
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
2.5 to 3.5
Titanium (Ti), % 0
72.6 to 78.5
Vanadium (V), % 0
14 to 16
Residuals, % 0
0 to 0.4