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AISI 316H Stainless Steel vs. R56401 Titanium

AISI 316H stainless steel belongs to the iron alloys classification, while R56401 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 316H stainless steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
9.1
Fatigue Strength, MPa 200
480
Poisson's Ratio 0.28
0.32
Reduction in Area, % 51
17
Shear Modulus, GPa 78
40
Shear Strength, MPa 400
560
Tensile Strength: Ultimate (UTS), MPa 580
940
Tensile Strength: Yield (Proof), MPa 230
850

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 940
340
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 16
7.1
Thermal Expansion, µm/m-K 16
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.9
38
Embodied Energy, MJ/kg 53
610
Embodied Water, L/kg 150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
83
Resilience: Unit (Modulus of Resilience), kJ/m3 130
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
59
Strength to Weight: Bending, points 20
48
Thermal Diffusivity, mm2/s 4.2
2.9
Thermal Shock Resistance, points 13
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 62.1 to 72
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5