MakeItFrom.com
Menu (ESC)

AISI 312 Stainless Steel vs. Grade 23 Titanium

AISI 312 stainless steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 32 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 312 stainless steel and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 28
6.7 to 11
Fatigue Strength, MPa 370
470 to 500
Poisson's Ratio 0.27
0.32
Reduction in Area, % 56
30
Rockwell C Hardness 27
32
Shear Modulus, GPa 80
40
Shear Strength, MPa 510
540 to 570
Tensile Strength: Ultimate (UTS), MPa 780
930 to 940
Tensile Strength: Yield (Proof), MPa 510
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
340
Melting Completion (Liquidus), °C 1430
1610
Melting Onset (Solidus), °C 1390
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 16
7.1
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
36
Density, g/cm3 7.7
4.4
Embodied Carbon, kg CO2/kg material 3.4
38
Embodied Energy, MJ/kg 48
610
Embodied Water, L/kg 170
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 640
3430 to 3560
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 28
58 to 59
Strength to Weight: Bending, points 24
48
Thermal Diffusivity, mm2/s 4.3
2.9
Thermal Shock Resistance, points 21
67 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 62.2 to 69.2
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.5 to 6.5
0
Nitrogen (N), % 0.14 to 0.2
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4