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EN 1.3975 Stainless Steel vs. Grade 35 Titanium

EN 1.3975 stainless steel belongs to the iron alloys classification, while grade 35 titanium 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 grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 27
5.6
Fatigue Strength, MPa 230
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 660
1000
Tensile Strength: Yield (Proof), MPa 320
630

Thermal Properties

Latent Heat of Fusion, J/g 340
420
Maximum Temperature: Mechanical, °C 910
320
Melting Completion (Liquidus), °C 1360
1630
Melting Onset (Solidus), °C 1320
1580
Specific Heat Capacity, J/kg-K 500
550
Thermal Expansion, µm/m-K 16
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.5
4.6
Embodied Carbon, kg CO2/kg material 3.3
33
Embodied Energy, MJ/kg 47
530
Embodied Water, L/kg 150
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
49
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1830
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 24
61
Strength to Weight: Bending, points 22
49
Thermal Shock Resistance, points 15
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 58.2 to 65.4
0.2 to 0.8
Manganese (Mn), % 7.0 to 9.0
0
Molybdenum (Mo), % 0 to 1.0
1.5 to 2.5
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4