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Grade 1 Titanium vs. EN 1.4150 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.4150 stainless steel belongs to the iron alloys. There are 31 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 1 titanium and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
220
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 170
270
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 200
460
Tensile Strength: Ultimate (UTS), MPa 310
730
Tensile Strength: Yield (Proof), MPa 220
430

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
840
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
490
Thermal Conductivity, W/m-K 20
23
Thermal Expansion, µm/m-K 8.8
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
8.5
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 31
2.8
Embodied Energy, MJ/kg 510
42
Embodied Water, L/kg 110
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 8.2
6.2
Thermal Shock Resistance, points 24
27

Alloy Composition

Carbon (C), % 0 to 0.080
0.45 to 0.6
Chromium (Cr), % 0
15 to 16.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
79 to 82.8
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0 to 0.030
0.050 to 0.2
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.3 to 1.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99.095 to 100
0
Vanadium (V), % 0
0.2 to 0.4
Residuals, % 0 to 0.4
0