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ASTM A182 Grade F11 Class 1 vs. SAE-AISI 9254 Steel

Both ASTM A182 grade F11 class 1 and SAE-AISI 9254 steel are iron alloys. Both are furnished in the annealed condition. They have a very high 99% of their average alloy composition in common. There are 31 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 ASTM A182 grade F11 class 1 and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 160
280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 300
410
Tensile Strength: Ultimate (UTS), MPa 470
660
Tensile Strength: Yield (Proof), MPa 230
410

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 430
410
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 52
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.51 to 0.59
Chromium (Cr), % 1.0 to 1.5
0.6 to 0.8
Iron (Fe), % 96 to 97.7
96.1 to 97.1
Manganese (Mn), % 0.3 to 0.6
0.6 to 0.8
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.5 to 1.0
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.040