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S21603 Stainless Steel vs. Grade 35 Titanium

S21603 stainless steel belongs to the iron alloys classification, while grade 35 titanium belongs to the titanium 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 S21603 stainless steel and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
5.6
Fatigue Strength, MPa 360
330
Poisson's Ratio 0.28
0.32
Reduction in Area, % 57
23
Shear Modulus, GPa 79
41
Shear Strength, MPa 490
580
Tensile Strength: Ultimate (UTS), MPa 690
1000
Tensile Strength: Yield (Proof), MPa 390
630

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 990
320
Melting Completion (Liquidus), °C 1420
1630
Melting Onset (Solidus), °C 1380
1580
Specific Heat Capacity, J/kg-K 480
550
Thermal Expansion, µm/m-K 17
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.7
4.6
Embodied Carbon, kg CO2/kg material 3.6
33
Embodied Energy, MJ/kg 50
530
Embodied Water, L/kg 160
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
49
Resilience: Unit (Modulus of Resilience), kJ/m3 380
1830
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25
61
Strength to Weight: Bending, points 22
49
Thermal Shock Resistance, points 15
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 17.5 to 22
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57.6 to 67.8
0.2 to 0.8
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
1.5 to 2.5
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4