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EN 1.3975 Stainless Steel vs. Titanium 6-2-4-2

EN 1.3975 stainless steel belongs to the iron alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 25 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 EN 1.3975 stainless 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, % 27
8.6
Fatigue Strength, MPa 230
490
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 660
950
Tensile Strength: Yield (Proof), MPa 320
880

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 910
300
Melting Completion (Liquidus), °C 1360
1590
Melting Onset (Solidus), °C 1320
1540
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 16
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
42
Density, g/cm3 7.5
4.6
Embodied Carbon, kg CO2/kg material 3.3
32
Embodied Energy, MJ/kg 47
520
Embodied Water, L/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
79
Resilience: Unit (Modulus of Resilience), kJ/m3 270
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
34
Strength to Weight: Axial, points 24
57
Strength to Weight: Bending, points 22
46
Thermal Shock Resistance, points 15
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 58.2 to 65.4
0 to 0.25
Manganese (Mn), % 7.0 to 9.0
0
Molybdenum (Mo), % 0 to 1.0
1.8 to 2.2
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
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
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4