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ASTM A182 Grade F11 Class 2 vs. SAE-AISI 1140 Steel

Both ASTM A182 grade F11 class 2 and SAE-AISI 1140 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 ASTM A182 grade F11 class 2 and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
14 to 18
Fatigue Strength, MPa 220
230 to 370
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
39 to 46
Shear Modulus, GPa 73
72
Shear Strength, MPa 340
370 to 420
Tensile Strength: Ultimate (UTS), MPa 540
600 to 700
Tensile Strength: Yield (Proof), MPa 310
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
18
Embodied Water, L/kg 53
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 260
310 to 870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
21 to 25
Strength to Weight: Bending, points 19
20 to 22
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 16
18 to 21

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.37 to 0.44
Chromium (Cr), % 1.0 to 1.5
0
Iron (Fe), % 95.8 to 97.7
98.4 to 98.9
Manganese (Mn), % 0.3 to 0.8
0.7 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0
Sulfur (S), % 0 to 0.040
0.080 to 0.13