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EN 1.4029 Stainless Steel vs. R56406 Titanium

EN 1.4029 stainless steel belongs to the iron alloys classification, while R56406 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4029 stainless steel and the bottom bar is R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 10 to 20
9.1
Fatigue Strength, MPa 270 to 400
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 700 to 930
980
Tensile Strength: Yield (Proof), MPa 410 to 740
850

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 750
340
Melting Completion (Liquidus), °C 1440
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 30
7.1
Thermal Expansion, µm/m-K 10
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
36
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.0
38
Embodied Energy, MJ/kg 28
610
Embodied Water, L/kg 100
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
85
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
3420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 33
61
Strength to Weight: Bending, points 23 to 27
49
Thermal Diffusivity, mm2/s 8.1
2.8
Thermal Shock Resistance, points 26 to 34
69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.25 to 0.32
0 to 0.1
Chromium (Cr), % 12 to 13.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 82.8 to 87.6
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.6
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.25
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5