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Grade 1 Titanium vs. AISI 409Cb Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while AISI 409Cb stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is AISI 409Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
24
Fatigue Strength, MPa 170
140
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
75
Shear Strength, MPa 200
270
Tensile Strength: Ultimate (UTS), MPa 310
420
Tensile Strength: Yield (Proof), MPa 220
200

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
710
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 20
25
Thermal Expansion, µm/m-K 8.8
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
8.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
2.2
Embodied Energy, MJ/kg 510
31
Embodied Water, L/kg 110
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
83
Resilience: Unit (Modulus of Resilience), kJ/m3 230
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 8.2
6.7
Thermal Shock Resistance, points 24
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 0
10.5 to 11.7
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
84.9 to 89.5
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.75
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0