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AISI 403 Stainless Steel vs. Grade C-6 Titanium

AISI 403 stainless steel belongs to the iron alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 30 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 403 stainless steel and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
290
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 16 to 25
9.0
Fatigue Strength, MPa 200 to 340
460
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 530 to 780
890
Tensile Strength: Yield (Proof), MPa 280 to 570
830

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 740
310
Melting Completion (Liquidus), °C 1450
1580
Melting Onset (Solidus), °C 1400
1530
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 28
7.8
Thermal Expansion, µm/m-K 9.9
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

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
30
Embodied Energy, MJ/kg 27
480
Embodied Water, L/kg 99
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
78
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
3300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 19 to 28
55
Strength to Weight: Bending, points 19 to 24
46
Thermal Diffusivity, mm2/s 7.6
3.2
Thermal Shock Resistance, points 20 to 29
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 11.5 to 13
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 84.7 to 88.5
0 to 0.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
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