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AISI 302B Stainless Steel vs. Grade 32 Titanium

AISI 302B stainless steel belongs to the iron alloys classification, while grade 32 titanium belongs to the titanium alloys. There are 31 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 302B stainless steel and the bottom bar is grade 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
11
Fatigue Strength, MPa 210
390
Poisson's Ratio 0.28
0.32
Reduction in Area, % 57
28
Shear Modulus, GPa 76
40
Shear Strength, MPa 410
460
Tensile Strength: Ultimate (UTS), MPa 580
770
Tensile Strength: Yield (Proof), MPa 230
670

Thermal Properties

Latent Heat of Fusion, J/g 320
410
Maximum Temperature: Mechanical, °C 930
310
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1360
1560
Specific Heat Capacity, J/kg-K 490
550
Thermal Conductivity, W/m-K 17
7.5
Thermal Expansion, µm/m-K 16
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
38
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.0
32
Embodied Energy, MJ/kg 43
530
Embodied Water, L/kg 140
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
83
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2100
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
47
Strength to Weight: Bending, points 20
41
Thermal Diffusivity, mm2/s 4.4
3.0
Thermal Shock Resistance, points 13
63

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 65.7 to 73
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
0.6 to 1.2
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.11
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 2.0 to 3.0
0.060 to 0.14
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.6 to 1.4
Titanium (Ti), % 0
88.1 to 93
Vanadium (V), % 0
0.6 to 1.4
Zirconium (Zr), % 0
0.6 to 1.4
Residuals, % 0
0 to 0.4