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SAE-AISI 9260 Steel vs. R58150 Titanium

SAE-AISI 9260 steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9260 steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 21
13
Fatigue Strength, MPa 260
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
52
Shear Strength, MPa 420
470
Tensile Strength: Ultimate (UTS), MPa 660
770
Tensile Strength: Yield (Proof), MPa 380
550

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1430
1760
Melting Onset (Solidus), °C 1390
1700
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 13
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
48
Density, g/cm3 7.7
5.4
Embodied Carbon, kg CO2/kg material 1.5
31
Embodied Energy, MJ/kg 20
480
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
94
Resilience: Unit (Modulus of Resilience), kJ/m3 380
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 24
40
Strength to Weight: Bending, points 22
35
Thermal Shock Resistance, points 20
48

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.1
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96.1 to 96.9
0 to 0.1
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0
14 to 16
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
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
83.5 to 86