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SAE-AISI 4161 Steel vs. ASTM A182 Grade F911

Both SAE-AISI 4161 steel and ASTM A182 grade F911 are iron alloys. They have 89% 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 SAE-AISI 4161 steel and the bottom bar is ASTM A182 grade F911.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
20
Fatigue Strength, MPa 290
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 420
430
Tensile Strength: Ultimate (UTS), MPa 680
690
Tensile Strength: Yield (Proof), MPa 410
500

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
600
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
26
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
10

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
40
Embodied Water, L/kg 50
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 460
650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 22
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.00030 to 0.0060
Carbon (C), % 0.56 to 0.64
0.090 to 0.13
Chromium (Cr), % 0.7 to 0.9
8.5 to 9.5
Iron (Fe), % 96.7 to 97.6
86.2 to 88.9
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.25 to 0.35
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.040 to 0.090
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0.1 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010