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EN 1.4905 Stainless Steel vs. Grade 6 Titanium

EN 1.4905 stainless steel belongs to the iron alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 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 1.4905 stainless steel and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 19
11
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Shear Strength, MPa 460
530
Tensile Strength: Ultimate (UTS), MPa 740
890
Tensile Strength: Yield (Proof), MPa 510
840

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 660
310
Melting Completion (Liquidus), °C 1480
1580
Melting Onset (Solidus), °C 1440
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 26
7.8
Thermal Expansion, µm/m-K 11
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 2.8
30
Embodied Energy, MJ/kg 40
480
Embodied Water, L/kg 90
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
92
Resilience: Unit (Modulus of Resilience), kJ/m3 680
3390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
55
Strength to Weight: Bending, points 23
46
Thermal Diffusivity, mm2/s 7.0
3.2
Thermal Shock Resistance, points 25
65

Alloy Composition

Aluminum (Al), % 0 to 0.040
4.0 to 6.0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.080
Chromium (Cr), % 8.5 to 9.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 86.2 to 88.8
0 to 0.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0
Residuals, % 0
0 to 0.4