MakeItFrom.com
Menu (ESC)

Grade 15 Titanium vs. S21603 Stainless Steel

Grade 15 titanium belongs to the titanium alloys classification, while S21603 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 15 titanium and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
45
Fatigue Strength, MPa 290
360
Poisson's Ratio 0.32
0.28
Reduction in Area, % 28
57
Shear Modulus, GPa 41
79
Shear Strength, MPa 340
490
Tensile Strength: Ultimate (UTS), MPa 540
690
Tensile Strength: Yield (Proof), MPa 430
390

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
990
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 32
3.6
Embodied Energy, MJ/kg 520
50
Embodied Water, L/kg 210
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 870
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 33
22
Thermal Shock Resistance, points 41
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.4 to 0.6
5.0 to 7.0
Nitrogen (N), % 0 to 0.050
0.25 to 0.5
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.045
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.2 to 99.56
0
Residuals, % 0 to 0.4
0