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EN 1.4823 Stainless Steel vs. Grade 38 Titanium

EN 1.4823 stainless steel belongs to the iron alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 29 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 1.4823 stainless steel and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 3.4
11
Fatigue Strength, MPa 130
530
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 620
1000
Tensile Strength: Yield (Proof), MPa 290
910

Thermal Properties

Latent Heat of Fusion, J/g 320
410
Maximum Temperature: Mechanical, °C 1100
330
Melting Completion (Liquidus), °C 1400
1620
Melting Onset (Solidus), °C 1360
1570
Specific Heat Capacity, J/kg-K 490
550
Thermal Conductivity, W/m-K 17
8.0
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
36
Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 3.0
35
Embodied Energy, MJ/kg 43
560
Embodied Water, L/kg 170
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
3840
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 23
62
Strength to Weight: Bending, points 21
49
Thermal Diffusivity, mm2/s 4.5
3.2
Thermal Shock Resistance, points 17
72

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.5
Carbon (C), % 0.3 to 0.5
0 to 0.080
Chromium (Cr), % 25 to 28
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.9 to 70.7
1.2 to 1.8
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.0 to 6.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4