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Grade 14 Titanium vs. EN 1.4874 Stainless Steel

Grade 14 titanium belongs to the titanium alloys classification, while EN 1.4874 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 14 titanium and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 23
6.7
Fatigue Strength, MPa 220
180
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 460
480
Tensile Strength: Yield (Proof), MPa 310
360

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1150
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 8.7
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
70
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 32
7.6
Embodied Energy, MJ/kg 520
110
Embodied Water, L/kg 210
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
29
Resilience: Unit (Modulus of Resilience), kJ/m3 450
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 29
16
Thermal Diffusivity, mm2/s 8.5
3.3
Thermal Shock Resistance, points 35
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.65
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
18.5 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
23 to 38.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0.4 to 0.6
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.4 to 99.56
0
Tungsten (W), % 0
2.0 to 3.0
Residuals, % 0 to 0.4
0