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EN 1.4034 Stainless Steel vs. R56401 Titanium

EN 1.4034 stainless steel belongs to the iron alloys classification, while R56401 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 1.4034 stainless steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 14
9.1
Fatigue Strength, MPa 230 to 400
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Shear Strength, MPa 420 to 540
560
Tensile Strength: Ultimate (UTS), MPa 690 to 900
940
Tensile Strength: Yield (Proof), MPa 390 to 730
850

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 770
340
Melting Completion (Liquidus), °C 1440
1610
Melting Onset (Solidus), °C 1390
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 30
7.1
Thermal Expansion, µm/m-K 11
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 27
610
Embodied Water, L/kg 100
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
83
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 32
59
Strength to Weight: Bending, points 22 to 27
48
Thermal Diffusivity, mm2/s 8.1
2.9
Thermal Shock Resistance, points 24 to 32
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.43 to 0.5
0 to 0.080
Chromium (Cr), % 12.5 to 14.5
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 83 to 87.1
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5