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EN 1.4962 Stainless Steel vs. Grade 27 Titanium

EN 1.4962 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4962 stainless steel and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 22 to 34
27
Fatigue Strength, MPa 210 to 330
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
41
Shear Strength, MPa 420 to 440
180
Tensile Strength: Ultimate (UTS), MPa 630 to 690
270
Tensile Strength: Yield (Proof), MPa 260 to 490
230

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 910
320
Melting Completion (Liquidus), °C 1480
1660
Melting Onset (Solidus), °C 1440
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
37
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 4.1
33
Embodied Energy, MJ/kg 59
530
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
70
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 24
17
Strength to Weight: Bending, points 20 to 21
21
Thermal Diffusivity, mm2/s 3.7
8.8
Thermal Shock Resistance, points 14 to 16
21

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0 to 0.080
Chromium (Cr), % 15.5 to 17.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.1 to 69
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.035
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.4 to 0.7
99 to 99.92
Tungsten (W), % 2.5 to 3.0
0
Residuals, % 0
0 to 0.4