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AISI 304N Stainless Steel vs. Grade 19 Titanium

AISI 304N stainless steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 9.1 to 45
5.6 to 17
Fatigue Strength, MPa 220 to 440
550 to 620
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
47
Shear Strength, MPa 420 to 700
550 to 750
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
890 to 1300
Tensile Strength: Yield (Proof), MPa 270 to 850
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 960
370
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1600
Specific Heat Capacity, J/kg-K 480
520
Thermal Conductivity, W/m-K 16
6.2
Thermal Expansion, µm/m-K 16
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
45
Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 3.0
47
Embodied Energy, MJ/kg 43
760
Embodied Water, L/kg 150
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
3040 to 5530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 22 to 42
49 to 72
Strength to Weight: Bending, points 21 to 32
41 to 53
Thermal Diffusivity, mm2/s 4.2
2.4
Thermal Shock Resistance, points 14 to 26
57 to 83

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 18 to 20
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 66.4 to 73.9
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.1 to 0.16
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
71.1 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants