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R56401 Titanium vs. EN 1.4736 Stainless Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.4736 stainless steel belongs to the iron 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 R56401 titanium and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.1
28
Fatigue Strength, MPa 480
230
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 560
370
Tensile Strength: Ultimate (UTS), MPa 940
580
Tensile Strength: Yield (Proof), MPa 850
310

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
1000
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 560
490
Thermal Conductivity, W/m-K 7.1
21
Thermal Expansion, µm/m-K 9.6
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.0
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 38
2.4
Embodied Energy, MJ/kg 610
35
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 59
21
Strength to Weight: Bending, points 48
20
Thermal Diffusivity, mm2/s 2.9
5.6
Thermal Shock Resistance, points 67
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
1.7 to 2.1
Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 0
17 to 18
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
77 to 81.1
Manganese (Mn), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 88.5 to 91
0.2 to 0.8
Vanadium (V), % 3.5 to 4.5
0