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EN 1.4527 Stainless Steel vs. R56401 Titanium

EN 1.4527 stainless steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 27 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 1.4527 stainless steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
9.1
Fatigue Strength, MPa 170
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 480
940
Tensile Strength: Yield (Proof), MPa 190
850

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1100
340
Melting Completion (Liquidus), °C 1410
1610
Melting Onset (Solidus), °C 1360
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 15
7.1
Thermal Expansion, µm/m-K 15
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 32
36
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 5.6
38
Embodied Energy, MJ/kg 78
610
Embodied Water, L/kg 210
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
83
Resilience: Unit (Modulus of Resilience), kJ/m3 95
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
59
Strength to Weight: Bending, points 17
48
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 12
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 37.4 to 48.5
0 to 0.25
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5