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EN 1.4901 Stainless Steel vs. Grade C-6 Titanium

EN 1.4901 stainless steel belongs to the iron alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 19
9.0
Fatigue Strength, MPa 310
460
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 740
890
Tensile Strength: Yield (Proof), MPa 490
830

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 650
310
Melting Completion (Liquidus), °C 1490
1580
Melting Onset (Solidus), °C 1450
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 26
7.8
Thermal Expansion, µm/m-K 12
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
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 89
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
78
Resilience: Unit (Modulus of Resilience), kJ/m3 620
3300
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 6.9
3.2
Thermal Shock Resistance, points 23
63

Alloy Composition

Aluminum (Al), % 0 to 0.020
4.0 to 6.0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0 to 0.1
Chromium (Cr), % 8.5 to 9.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 85.8 to 89.1
0 to 0.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0 to 0.050
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.010
89.7 to 94
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0
Residuals, % 0
0 to 0.4