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AISI 403 Stainless Steel vs. R56401 Titanium

AISI 403 stainless steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 31 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 AISI 403 stainless steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 16 to 25
9.1
Fatigue Strength, MPa 200 to 340
480
Poisson's Ratio 0.28
0.32
Reduction in Area, % 47 to 50
17
Shear Modulus, GPa 76
40
Shear Strength, MPa 340 to 480
560
Tensile Strength: Ultimate (UTS), MPa 530 to 780
940
Tensile Strength: Yield (Proof), MPa 280 to 570
850

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 740
340
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 28
7.1
Thermal Expansion, µm/m-K 9.9
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.9
38
Embodied Energy, MJ/kg 27
610
Embodied Water, L/kg 99
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
83
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 19 to 28
59
Strength to Weight: Bending, points 19 to 24
48
Thermal Diffusivity, mm2/s 7.6
2.9
Thermal Shock Resistance, points 20 to 29
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 11.5 to 13
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 84.7 to 88.5
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5