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EN 1.4529 Stainless Steel vs. Titanium 6-7

EN 1.4529 stainless steel belongs to the iron alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4529 stainless steel and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 43
11
Fatigue Strength, MPa 310
530
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
45
Shear Strength, MPa 520
610
Tensile Strength: Ultimate (UTS), MPa 750
1020
Tensile Strength: Yield (Proof), MPa 340
900

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
300
Melting Completion (Liquidus), °C 1460
1700
Melting Onset (Solidus), °C 1410
1650
Specific Heat Capacity, J/kg-K 460
520
Thermal Expansion, µm/m-K 16
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
75
Density, g/cm3 8.1
5.1
Embodied Carbon, kg CO2/kg material 6.2
34
Embodied Energy, MJ/kg 84
540
Embodied Water, L/kg 200
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 26
56
Strength to Weight: Bending, points 23
44
Thermal Shock Resistance, points 17
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0.5 to 1.5
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 42.7 to 50.4
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 6.0 to 7.0
6.5 to 7.5
Nickel (Ni), % 24 to 26
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0.15 to 0.25
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88