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EN 1.4630 Stainless Steel vs. Grade 27 Titanium

EN 1.4630 stainless steel belongs to the iron alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4630 stainless steel and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 23
27
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Shear Strength, MPa 300
180
Tensile Strength: Ultimate (UTS), MPa 480
270
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 800
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1390
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 28
21
Thermal Expansion, µm/m-K 10
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.5
33
Embodied Energy, MJ/kg 36
530
Embodied Water, L/kg 120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
70
Resilience: Unit (Modulus of Resilience), kJ/m3 160
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 7.5
8.8
Thermal Shock Resistance, points 17
21

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 13 to 16
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 77.1 to 86.7
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.050
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0.2 to 1.5
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.8
99 to 99.92
Residuals, % 0
0 to 0.4