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S41425 Stainless Steel vs. Grade 5 Titanium

S41425 stainless steel belongs to the iron alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 31 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 S41425 stainless steel and the bottom bar is grade 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
8.6 to 11
Fatigue Strength, MPa 450
530 to 630
Poisson's Ratio 0.28
0.32
Reduction in Area, % 51
21 to 25
Shear Modulus, GPa 77
40
Shear Strength, MPa 570
600 to 710
Tensile Strength: Ultimate (UTS), MPa 920
1000 to 1190
Tensile Strength: Yield (Proof), MPa 750
910 to 1110

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 810
330
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1410
1650
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 16
6.8
Thermal Expansion, µm/m-K 10
8.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.9
4.4
Embodied Carbon, kg CO2/kg material 2.9
38
Embodied Energy, MJ/kg 40
610
Embodied Water, L/kg 120
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
3980 to 5880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 33
62 to 75
Strength to Weight: Bending, points 27
50 to 56
Thermal Diffusivity, mm2/s 4.4
2.7
Thermal Shock Resistance, points 33
76 to 91

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 12 to 15
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 74 to 81.9
0 to 0.4
Manganese (Mn), % 0.5 to 1.0
0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 7.0
0
Nitrogen (N), % 0.060 to 0.12
0 to 0.050
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 0.0050
0
Titanium (Ti), % 0
87.4 to 91
Vanadium (V), % 0
3.5 to 4.5
Yttrium (Y), % 0
0 to 0.0050
Residuals, % 0
0 to 0.4