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Grade 6 Titanium vs. AISI 430FSe Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while AISI 430FSe stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is AISI 430FSe stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 11
23
Fatigue Strength, MPa 290
210
Poisson's Ratio 0.32
0.28
Reduction in Area, % 27
50
Shear Modulus, GPa 39
77
Shear Strength, MPa 530
340
Tensile Strength: Ultimate (UTS), MPa 890
540
Tensile Strength: Yield (Proof), MPa 840
310

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 310
870
Melting Completion (Liquidus), °C 1580
1440
Melting Onset (Solidus), °C 1530
1390
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
25
Thermal Expansion, µm/m-K 9.4
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.5
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 30
2.1
Embodied Energy, MJ/kg 480
30
Embodied Water, L/kg 190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
20
Strength to Weight: Bending, points 46
19
Thermal Diffusivity, mm2/s 3.2
6.8
Thermal Shock Resistance, points 65
19

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
79.5 to 84
Manganese (Mn), % 0
0 to 1.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.060
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0