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ASTM A182 Grade F1 vs. SAE-AISI 1020 Steel

Both ASTM A182 grade F1 and SAE-AISI 1020 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is ASTM A182 grade F1 and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
17 to 28
Fatigue Strength, MPa 220
180 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
45 to 57
Shear Modulus, GPa 73
73
Shear Strength, MPa 340
280
Tensile Strength: Ultimate (UTS), MPa 540
430 to 460
Tensile Strength: Yield (Proof), MPa 310
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
150 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
15 to 16
Strength to Weight: Bending, points 19
16 to 17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
13 to 14

Alloy Composition

Carbon (C), % 0 to 0.28
0.18 to 0.23
Iron (Fe), % 97.7 to 98.8
99.08 to 99.52
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.045
0 to 0.050