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SAE-AISI 9260 Steel vs. R56401 Titanium

SAE-AISI 9260 steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9260 steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 260
480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Shear Strength, MPa 420
560
Tensile Strength: Ultimate (UTS), MPa 660
940
Tensile Strength: Yield (Proof), MPa 380
850

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 400
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 45
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
36
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 1.5
38
Embodied Energy, MJ/kg 20
610
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
83
Resilience: Unit (Modulus of Resilience), kJ/m3 380
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24
59
Strength to Weight: Bending, points 22
48
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 20
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.56 to 0.64
0 to 0.080
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 96.1 to 96.9
0 to 0.25
Manganese (Mn), % 0.75 to 1.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 1.8 to 2.2
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
88.5 to 91
Vanadium (V), % 0
3.5 to 4.5