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EN 1.4630 Stainless Steel vs. Grade 2 Titanium

EN 1.4630 stainless steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 23
23
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
38
Shear Strength, MPa 300
270
Tensile Strength: Ultimate (UTS), MPa 480
420
Tensile Strength: Yield (Proof), MPa 250
360

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
22
Thermal Expansion, µm/m-K 10
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.2

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
31
Embodied Energy, MJ/kg 36
510
Embodied Water, L/kg 120
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
92
Resilience: Unit (Modulus of Resilience), kJ/m3 160
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 7.5
8.9
Thermal Shock Resistance, points 17
32

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 0.3
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 0.25
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0.2 to 1.5
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.8
98.9 to 100
Residuals, % 0
0 to 0.4