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Grade 6 Titanium vs. AISI 334 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while AISI 334 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 290
150
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
77
Shear Strength, MPa 530
360
Tensile Strength: Ultimate (UTS), MPa 890
540
Tensile Strength: Yield (Proof), MPa 840
190

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
1000
Melting Completion (Liquidus), °C 1580
1410
Melting Onset (Solidus), °C 1530
1370
Specific Heat Capacity, J/kg-K 550
480
Thermal Expansion, µm/m-K 9.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
22
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
4.1
Embodied Energy, MJ/kg 480
59
Embodied Water, L/kg 190
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
96
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
19
Strength to Weight: Bending, points 46
19
Thermal Shock Resistance, points 65
12

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0.15 to 0.6
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
18 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
55.7 to 62.7
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
19 to 21
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0.15 to 0.6
Residuals, % 0 to 0.4
0