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Grade 30 Titanium vs. S30435 Stainless Steel

Grade 30 titanium belongs to the titanium alloys classification, while S30435 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 30 titanium and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
51
Fatigue Strength, MPa 250
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 240
370
Tensile Strength: Ultimate (UTS), MPa 390
510
Tensile Strength: Yield (Proof), MPa 350
170

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 8.7
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 36
2.9
Embodied Energy, MJ/kg 600
40
Embodied Water, L/kg 230
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
210
Resilience: Unit (Modulus of Resilience), kJ/m3 590
77
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 8.6
4.2
Thermal Shock Resistance, points 30
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
16 to 18
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
1.5 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
66.9 to 75.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
7.0 to 9.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98 to 99.76
0
Residuals, % 0 to 0.4
0