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AISI 384 Stainless Steel vs. Grade C-6 Titanium

AISI 384 stainless steel belongs to the iron alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
290
Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 480
890

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 910
310
Melting Completion (Liquidus), °C 1420
1580
Melting Onset (Solidus), °C 1380
1530
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 16
7.8
Thermal Expansion, µm/m-K 16
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.7
30
Embodied Energy, MJ/kg 52
480
Embodied Water, L/kg 150
190

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
55
Strength to Weight: Bending, points 17
46
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 11
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 15 to 17
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.9 to 68
0 to 0.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 17 to 19
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Residuals, % 0
0 to 0.4