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Titanium 6-7 vs. EN 1.4104 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4104 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.4104 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
11 to 23
Fatigue Strength, MPa 530
230 to 310
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
77
Shear Strength, MPa 610
400 to 450
Tensile Strength: Ultimate (UTS), MPa 1020
630 to 750
Tensile Strength: Yield (Proof), MPa 900
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
860
Melting Completion (Liquidus), °C 1700
1440
Melting Onset (Solidus), °C 1650
1390
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
8.5
Density, g/cm3 5.1
7.7
Embodied Carbon, kg CO2/kg material 34
2.2
Embodied Energy, MJ/kg 540
30
Embodied Water, L/kg 190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
310 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
23 to 27
Strength to Weight: Bending, points 44
21 to 24
Thermal Shock Resistance, points 66
22 to 27

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.1 to 0.17
Chromium (Cr), % 0
15.5 to 17.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
78.8 to 84.1
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 6.5 to 7.5
0.2 to 0.6
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0