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EN 1.4005 Stainless Steel vs. Grade 34 Titanium

EN 1.4005 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 13 to 21
20
Fatigue Strength, MPa 240 to 290
310
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Shear Strength, MPa 390 to 450
320
Tensile Strength: Ultimate (UTS), MPa 630 to 750
510
Tensile Strength: Yield (Proof), MPa 370 to 500
450

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 760
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 30
21
Thermal Expansion, µm/m-K 10
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
55
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.0
33
Embodied Energy, MJ/kg 28
530
Embodied Water, L/kg 100
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
960
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 23 to 27
31
Strength to Weight: Bending, points 21 to 24
31
Thermal Diffusivity, mm2/s 8.1
8.4
Thermal Shock Resistance, points 23 to 27
39

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.080
Chromium (Cr), % 12 to 14
0.1 to 0.2
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 82.4 to 87.8
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.35
0
Titanium (Ti), % 0
98 to 99.52
Residuals, % 0
0 to 0.4