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EN 1.4458 Stainless Steel vs. Grade C-3 Titanium

EN 1.4458 stainless steel belongs to the iron alloys classification, while grade C-3 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 1.4458 stainless steel and the bottom bar is grade C-3 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
13
Fatigue Strength, MPa 150
260
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 510
500
Tensile Strength: Yield (Proof), MPa 190
430

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1370
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 15
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
37
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 5.4
31
Embodied Energy, MJ/kg 75
510
Embodied Water, L/kg 200
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
65
Resilience: Unit (Modulus of Resilience), kJ/m3 89
880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 4.2
8.5
Thermal Shock Resistance, points 12
39

Alloy Composition


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Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 0 to 2.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 40.2 to 53
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
0 to 0.050
Nitrogen (N), % 0 to 0.2
0
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.8 to 100
Residuals, % 0
0 to 0.4