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EN 1.4935 Stainless Steel vs. Grade 37 Titanium

EN 1.4935 stainless steel belongs to the iron alloys classification, while grade 37 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4935 stainless steel and the bottom bar is grade 37 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 16 to 18
22
Fatigue Strength, MPa 350 to 400
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Shear Strength, MPa 480 to 540
240
Tensile Strength: Ultimate (UTS), MPa 780 to 880
390
Tensile Strength: Yield (Proof), MPa 570 to 670
250

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 740
310
Melting Completion (Liquidus), °C 1460
1650
Melting Onset (Solidus), °C 1420
1600
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 24
21
Thermal Expansion, µm/m-K 11
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.9
31
Embodied Energy, MJ/kg 42
500
Embodied Water, L/kg 100
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
76
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 28 to 31
24
Strength to Weight: Bending, points 24 to 26
26
Thermal Diffusivity, mm2/s 6.5
8.4
Thermal Shock Resistance, points 27 to 30
29

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Carbon (C), % 0.17 to 0.24
0 to 0.080
Chromium (Cr), % 11 to 12.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 83 to 86.7
0 to 0.3
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
96.9 to 99
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0
Residuals, % 0
0 to 0.4