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EN 1.4710 Stainless Steel vs. Grade 34 Titanium

EN 1.4710 stainless steel belongs to the iron alloys classification, while grade 34 titanium belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4710 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, % 20
20
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
41

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 750
320
Melting Completion (Liquidus), °C 1430
1660
Melting Onset (Solidus), °C 1390
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 24
21
Thermal Expansion, µm/m-K 9.9
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
55
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 1.8
33
Embodied Energy, MJ/kg 24
530
Embodied Water, L/kg 76
200

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Thermal Diffusivity, mm2/s 6.5
8.4

Alloy Composition


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Carbon (C), % 0.2 to 0.35
0 to 0.080
Chromium (Cr), % 6.0 to 8.0
0.1 to 0.2
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 87.4 to 92.3
0 to 0.3
Manganese (Mn), % 0.5 to 1.0
0
Molybdenum (Mo), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
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 0.035
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98 to 99.52
Residuals, % 0
0 to 0.4