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EN 1.4313 Stainless Steel vs. Grade 33 Titanium

EN 1.4313 stainless steel belongs to the iron alloys classification, while grade 33 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 1.4313 stainless steel and the bottom bar is grade 33 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 12 to 17
23
Fatigue Strength, MPa 340 to 510
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Shear Strength, MPa 460 to 600
240
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
390
Tensile Strength: Yield (Proof), MPa 580 to 910
350

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 780
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 10
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.4
33
Embodied Energy, MJ/kg 34
530
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
86
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27 to 36
24
Strength to Weight: Bending, points 23 to 28
26
Thermal Diffusivity, mm2/s 6.7
8.7
Thermal Shock Resistance, points 27 to 36
30

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 12 to 14
0.1 to 0.2
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 78.5 to 84.2
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
0.35 to 0.55
Nitrogen (N), % 0 to 0.020
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.1 to 99.52
Residuals, % 0
0 to 0.4