MakeItFrom.com
Menu (ESC)

Grade 15 Titanium vs. N08031 Stainless Steel

Grade 15 titanium belongs to the titanium alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 15 titanium and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 20
45
Fatigue Strength, MPa 290
290
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
81
Shear Strength, MPa 340
510
Tensile Strength: Ultimate (UTS), MPa 540
730
Tensile Strength: Yield (Proof), MPa 430
310

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 8.7
18

Otherwise Unclassified Properties

Base Metal Price, % relative 37
39
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 32
7.1
Embodied Energy, MJ/kg 520
96
Embodied Water, L/kg 210
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 870
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 33
22
Thermal Diffusivity, mm2/s 8.4
3.1
Thermal Shock Resistance, points 41
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
29 to 36.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0.4 to 0.6
30 to 32
Nitrogen (N), % 0 to 0.050
0.15 to 0.25
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.2 to 99.56
0
Residuals, % 0 to 0.4
0