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Titanium 6-7 vs. S46500 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while S46500 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
2.3 to 14
Fatigue Strength, MPa 530
550 to 890
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
75
Shear Strength, MPa 610
730 to 1120
Tensile Strength: Ultimate (UTS), MPa 1020
1260 to 1930
Tensile Strength: Yield (Proof), MPa 900
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
780
Melting Completion (Liquidus), °C 1700
1450
Melting Onset (Solidus), °C 1650
1410
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
3.6
Embodied Energy, MJ/kg 540
51
Embodied Water, L/kg 190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
43 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
44 to 68
Strength to Weight: Bending, points 44
33 to 44
Thermal Shock Resistance, points 66
44 to 67

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 0
11 to 12.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
72.6 to 76.1
Manganese (Mn), % 0
0 to 0.25
Molybdenum (Mo), % 6.5 to 7.5
0.75 to 1.3
Nickel (Ni), % 0
10.7 to 11.3
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0 to 0.010
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
1.5 to 1.8