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EN 1.4542 Stainless Steel vs. Grade 27 Titanium

EN 1.4542 stainless steel belongs to the iron alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 20
27
Fatigue Strength, MPa 370 to 640
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
41
Shear Strength, MPa 550 to 860
180
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
270
Tensile Strength: Yield (Proof), MPa 580 to 1300
230

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 860
320
Melting Completion (Liquidus), °C 1430
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 11
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.7
33
Embodied Energy, MJ/kg 39
530
Embodied Water, L/kg 130
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
70
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 31 to 52
17
Strength to Weight: Bending, points 26 to 37
21
Thermal Diffusivity, mm2/s 4.3
8.8
Thermal Shock Resistance, points 29 to 49
21

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 3.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 69.6 to 79
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0 to 0.45
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
99 to 99.92
Residuals, % 0
0 to 0.4