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S41050 Stainless Steel vs. Grade 6 Titanium

S41050 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 (5, in this case) are not shown.

For each property being compared, the top bar is S41050 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, % 25
11
Fatigue Strength, MPa 160
290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Shear Strength, MPa 300
530
Tensile Strength: Ultimate (UTS), MPa 470
890
Tensile Strength: Yield (Proof), MPa 230
840

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 720
310
Melting Completion (Liquidus), °C 1440
1580
Melting Onset (Solidus), °C 1400
1530
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 27
7.8
Thermal Expansion, µm/m-K 10
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.9
30
Embodied Energy, MJ/kg 27
480
Embodied Water, L/kg 97
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
92
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 17
55
Strength to Weight: Bending, points 17
46
Thermal Diffusivity, mm2/s 7.2
3.2
Thermal Shock Resistance, points 17
65

Alloy Composition


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Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.040
0 to 0.080
Chromium (Cr), % 10.5 to 12.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 84.2 to 88.9
0 to 0.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Residuals, % 0
0 to 0.4