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AISI 304N Stainless Steel vs. Grade 1 Titanium

AISI 304N stainless steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium 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 AISI 304N stainless steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
120
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 9.1 to 45
28
Fatigue Strength, MPa 220 to 440
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
39
Shear Strength, MPa 420 to 700
200
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
310
Tensile Strength: Yield (Proof), MPa 270 to 850
220

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 960
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 16
20
Thermal Expansion, µm/m-K 16
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.0
31
Embodied Energy, MJ/kg 43
510
Embodied Water, L/kg 150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
79
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 22 to 42
19
Strength to Weight: Bending, points 21 to 32
23
Thermal Diffusivity, mm2/s 4.2
8.2
Thermal Shock Resistance, points 14 to 26
24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 20
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 66.4 to 73.9
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.1 to 0.16
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.095 to 100
Residuals, % 0
0 to 0.4