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SAE-AISI 9254 Steel vs. SAE-AISI 1146 Steel

Both SAE-AISI 9254 steel and SAE-AISI 1146 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
13 to 17
Fatigue Strength, MPa 280
240 to 400
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 410
410 to 440
Tensile Strength: Ultimate (UTS), MPa 660
670 to 730
Tensile Strength: Yield (Proof), MPa 410
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 450
340 to 1050
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
24 to 26
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
20 to 22

Alloy Composition

Carbon (C), % 0.51 to 0.59
0.42 to 0.49
Chromium (Cr), % 0.6 to 0.8
0
Iron (Fe), % 96.1 to 97.1
98.3 to 98.8
Manganese (Mn), % 0.6 to 0.8
0.7 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.040
0.080 to 0.13