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EN 1.4436 Stainless Steel vs. Grade 34 Titanium

EN 1.4436 stainless steel belongs to the iron alloys classification, while grade 34 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 1.4436 stainless steel and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 42
20
Fatigue Strength, MPa 220
310
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
41
Shear Strength, MPa 430
320
Tensile Strength: Ultimate (UTS), MPa 620
510
Tensile Strength: Yield (Proof), MPa 240
450

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 960
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
55
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.9
33
Embodied Energy, MJ/kg 54
530
Embodied Water, L/kg 150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 150
960
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 22
31
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.0
8.4
Thermal Shock Resistance, points 14
39

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
0.1 to 0.2
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.3 to 70.5
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 10.5 to 13
0.35 to 0.55
Nitrogen (N), % 0 to 0.1
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.045
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98 to 99.52
Residuals, % 0
0 to 0.4