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Titanium 6-7 vs. EN 1.3975 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.3975 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 EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
27
Fatigue Strength, MPa 530
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Tensile Strength: Ultimate (UTS), MPa 1020
660
Tensile Strength: Yield (Proof), MPa 900
320

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 300
910
Melting Completion (Liquidus), °C 1700
1360
Melting Onset (Solidus), °C 1650
1320
Specific Heat Capacity, J/kg-K 520
500
Thermal Expansion, µm/m-K 9.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
15
Density, g/cm3 5.1
7.5
Embodied Carbon, kg CO2/kg material 34
3.3
Embodied Energy, MJ/kg 540
47
Embodied Water, L/kg 190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
26
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 44
22
Thermal Shock Resistance, points 66
15

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
58.2 to 65.4
Manganese (Mn), % 0
7.0 to 9.0
Molybdenum (Mo), % 6.5 to 7.5
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0.080 to 0.18
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0