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ASTM A182 Grade F36 vs. SAE-AISI 5120 Steel

Both ASTM A182 grade F36 and SAE-AISI 5120 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is ASTM A182 grade F36 and the bottom bar is SAE-AISI 5120 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
16
Fatigue Strength, MPa 330
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 440
310
Tensile Strength: Ultimate (UTS), MPa 710
500
Tensile Strength: Yield (Proof), MPa 490
320

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
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
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 53
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
71
Resilience: Unit (Modulus of Resilience), kJ/m3 650
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.1 to 0.17
0.17 to 0.22
Chromium (Cr), % 0 to 0.3
0.7 to 0.9
Copper (Cu), % 0.5 to 0.8
0
Iron (Fe), % 95 to 97.1
97.6 to 98.3
Manganese (Mn), % 0.8 to 1.2
0.7 to 0.9
Molybdenum (Mo), % 0.25 to 0.5
0
Nickel (Ni), % 1.0 to 1.3
0
Niobium (Nb), % 0.015 to 0.045
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.25 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0 to 0.020
0