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Grade 5 Titanium vs. EN 1.4525 Stainless Steel

Grade 5 titanium belongs to the titanium alloys classification, while EN 1.4525 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 5 titanium and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 8.6 to 11
5.6 to 13
Fatigue Strength, MPa 530 to 630
480 to 540
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
1030 to 1250
Tensile Strength: Yield (Proof), MPa 910 to 1110
840 to 1120

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 330
860
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1650
1390
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 6.8
18
Thermal Expansion, µm/m-K 8.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 4.4
7.8
Embodied Carbon, kg CO2/kg material 38
2.8
Embodied Energy, MJ/kg 610
39
Embodied Water, L/kg 200
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
68 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
1820 to 3230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 62 to 75
36 to 45
Strength to Weight: Bending, points 50 to 56
29 to 33
Thermal Diffusivity, mm2/s 2.7
4.7
Thermal Shock Resistance, points 76 to 91
34 to 41

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0
2.5 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
70.4 to 79
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 87.4 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Residuals, % 0 to 0.4
0

Comparable Variants