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EN 1.4361 Stainless Steel vs. Titanium 6-7

EN 1.4361 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 1.4361 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, % 43
11
Fatigue Strength, MPa 220
530
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
45
Shear Strength, MPa 440
610
Tensile Strength: Ultimate (UTS), MPa 630
1020
Tensile Strength: Yield (Proof), MPa 250
900

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 940
300
Melting Completion (Liquidus), °C 1370
1700
Melting Onset (Solidus), °C 1330
1650
Specific Heat Capacity, J/kg-K 490
520
Thermal Expansion, µm/m-K 16
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
75
Density, g/cm3 7.6
5.1
Embodied Carbon, kg CO2/kg material 3.6
34
Embodied Energy, MJ/kg 52
540
Embodied Water, L/kg 150
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 23
56
Strength to Weight: Bending, points 21
44
Thermal Shock Resistance, points 15
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.015
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 58.7 to 65.8
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.2
6.5 to 7.5
Nickel (Ni), % 14 to 16
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0 to 0.1
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 3.7 to 4.5
0
Sulfur (S), % 0 to 0.010
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88