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EN 1.4000 Stainless Steel vs. Titanium 6-7

EN 1.4000 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4000 stainless steel and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 22
11
Fatigue Strength, MPa 170
530
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
45
Shear Strength, MPa 320
610
Tensile Strength: Ultimate (UTS), MPa 500
1020
Tensile Strength: Yield (Proof), MPa 260
900

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 760
300
Melting Completion (Liquidus), °C 1440
1700
Melting Onset (Solidus), °C 1400
1650
Specific Heat Capacity, J/kg-K 480
520
Thermal Expansion, µm/m-K 11
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
75
Density, g/cm3 7.7
5.1
Embodied Carbon, kg CO2/kg material 1.9
34
Embodied Energy, MJ/kg 27
540
Embodied Water, L/kg 100
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 18
56
Strength to Weight: Bending, points 18
44
Thermal Shock Resistance, points 18
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 12 to 14
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 83.9 to 88
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88