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Grade 2 Titanium vs. EN 1.4537 Stainless Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.4537 stainless steel belongs to the iron alloys. There are 32 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 grade 2 titanium and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 23
42
Fatigue Strength, MPa 250
290
Impact Strength: V-Notched Charpy, J 160
91
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
80
Shear Strength, MPa 270
480
Tensile Strength: Ultimate (UTS), MPa 420
700
Tensile Strength: Yield (Proof), MPa 360
330

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 9.0
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
34
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
6.1
Embodied Energy, MJ/kg 510
84
Embodied Water, L/kg 110
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
240
Resilience: Unit (Modulus of Resilience), kJ/m3 600
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 8.9
3.7
Thermal Shock Resistance, points 32
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
36.3 to 46.1
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.7 to 5.7
Nickel (Ni), % 0
24 to 27
Nitrogen (N), % 0 to 0.030
0.17 to 0.25
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0