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Titanium 6-7 vs. EN 1.4736 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4736 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
28
Fatigue Strength, MPa 530
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Shear Strength, MPa 610
370
Tensile Strength: Ultimate (UTS), MPa 1020
580
Tensile Strength: Yield (Proof), MPa 900
310

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
1000
Melting Completion (Liquidus), °C 1700
1420
Melting Onset (Solidus), °C 1650
1380
Specific Heat Capacity, J/kg-K 520
490
Thermal Expansion, µm/m-K 9.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 5.1
7.6
Embodied Carbon, kg CO2/kg material 34
2.4
Embodied Energy, MJ/kg 540
35
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
21
Strength to Weight: Bending, points 44
20
Thermal Shock Resistance, points 66
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
1.7 to 2.1
Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 0
17 to 18
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
77 to 81.1
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 6.5 to 7.5
0
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 to 0.015
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0.2 to 0.8