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AISI 310S Stainless Steel vs. Grade 6 Titanium

AISI 310S stainless steel belongs to the iron alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 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 310S stainless steel and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34 to 44
11
Fatigue Strength, MPa 250 to 280
290
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
39
Shear Strength, MPa 420 to 470
530
Tensile Strength: Ultimate (UTS), MPa 600 to 710
890
Tensile Strength: Yield (Proof), MPa 270 to 350
840

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1100
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 16
7.8
Thermal Expansion, µm/m-K 16
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.3
30
Embodied Energy, MJ/kg 61
480
Embodied Water, L/kg 190
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
92
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
3390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21 to 25
55
Strength to Weight: Bending, points 20 to 22
46
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 14 to 16
65

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 48.3 to 57
0 to 0.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Residuals, % 0
0 to 0.4