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Titanium 6-7 vs. EN 1.4612 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4612 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 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
11
Fatigue Strength, MPa 530
860 to 950
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Shear Strength, MPa 610
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 1020
1690 to 1850
Tensile Strength: Yield (Proof), MPa 900
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
790
Melting Completion (Liquidus), °C 1700
1450
Melting Onset (Solidus), °C 1650
1400
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
16
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
3.6
Embodied Energy, MJ/kg 540
50
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
60 to 65
Strength to Weight: Bending, points 44
40 to 43
Thermal Shock Resistance, points 66
58 to 63

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
1.4 to 1.8
Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 0
11 to 12.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
71.5 to 75.5
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 6.5 to 7.5
1.8 to 2.3
Nickel (Ni), % 0
10.2 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 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0.2 to 0.5