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EN 1.4150 Stainless Steel vs. Grade Ti-Pd18 Titanium

EN 1.4150 stainless steel belongs to the iron alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 29 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 1.4150 stainless steel and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
320
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
17
Fatigue Strength, MPa 270
350
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 730
710
Tensile Strength: Yield (Proof), MPa 430
540

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 840
330
Melting Completion (Liquidus), °C 1420
1640
Melting Onset (Solidus), °C 1380
1590
Specific Heat Capacity, J/kg-K 490
550
Thermal Conductivity, W/m-K 23
8.2
Thermal Expansion, µm/m-K 10
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 2.8
41
Embodied Energy, MJ/kg 42
670
Embodied Water, L/kg 120
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 470
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27
44
Strength to Weight: Bending, points 24
39
Thermal Diffusivity, mm2/s 6.2
3.3
Thermal Shock Resistance, points 27
52

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.45 to 0.6
0 to 0.1
Chromium (Cr), % 15 to 16.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 79 to 82.8
0 to 0.25
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0 to 0.4
0 to 0.050
Nitrogen (N), % 0.050 to 0.2
0
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.3 to 1.7
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0.2 to 0.4
2.0 to 3.0
Residuals, % 0
0 to 0.4