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AISI 334 Stainless Steel vs. R56401 Titanium

AISI 334 stainless steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 334 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, % 34
9.1
Fatigue Strength, MPa 150
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 360
560
Tensile Strength: Ultimate (UTS), MPa 540
940
Tensile Strength: Yield (Proof), MPa 190
850

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 1000
340
Melting Completion (Liquidus), °C 1410
1610
Melting Onset (Solidus), °C 1370
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Expansion, µm/m-K 16
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.1
38
Embodied Energy, MJ/kg 59
610
Embodied Water, L/kg 170
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
83
Resilience: Unit (Modulus of Resilience), kJ/m3 96
3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 19
59
Strength to Weight: Bending, points 19
48
Thermal Shock Resistance, points 12
67

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
5.5 to 6.5
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 20
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 55.7 to 62.7
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 19 to 21
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.15 to 0.6
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5