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Grade 37 Titanium vs. EN 1.4416 Stainless Steel

Grade 37 titanium belongs to the titanium alloys classification, while EN 1.4416 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 37 titanium and the bottom bar is EN 1.4416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 390
500
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1650
1450
Melting Onset (Solidus), °C 1600
1400
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 8.9
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
5.8
Embodied Energy, MJ/kg 500
79
Embodied Water, L/kg 120
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 8.4
3.2
Thermal Shock Resistance, points 29
12

Alloy Composition

Aluminum (Al), % 1.0 to 2.0
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
19 to 21
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
45.2 to 52.4
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0 to 0.030
0.12 to 0.2
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 96.9 to 99
0
Residuals, % 0 to 0.4
0