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Titanium 15-3-3-3 vs. EN 1.3975 Stainless Steel

Titanium 15-3-3-3 belongs to the titanium alloys classification, while EN 1.3975 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 5.7 to 8.0
27
Fatigue Strength, MPa 610 to 710
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 39
76
Tensile Strength: Ultimate (UTS), MPa 1120 to 1390
660
Tensile Strength: Yield (Proof), MPa 1100 to 1340
320

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 430
910
Melting Completion (Liquidus), °C 1620
1360
Melting Onset (Solidus), °C 1560
1320
Specific Heat Capacity, J/kg-K 520
500
Thermal Expansion, µm/m-K 9.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 40
15
Density, g/cm3 4.8
7.5
Embodied Carbon, kg CO2/kg material 59
3.3
Embodied Energy, MJ/kg 950
47
Embodied Water, L/kg 260
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 89
150
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 32
26
Strength to Weight: Axial, points 64 to 80
24
Strength to Weight: Bending, points 50 to 57
22
Thermal Shock Resistance, points 79 to 98
15

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 2.5 to 3.5
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
58.2 to 65.4
Manganese (Mn), % 0
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0 to 0.050
0.080 to 0.18
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.5 to 3.5
0
Titanium (Ti), % 72.6 to 78.5
0
Vanadium (V), % 14 to 16
0
Residuals, % 0 to 0.4
0