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ASTM A182 Grade F1 vs. SAE-AISI 1084 Steel

Both ASTM A182 grade F1 and SAE-AISI 1084 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is ASTM A182 grade F1 and the bottom bar is SAE-AISI 1084 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11
Fatigue Strength, MPa 220
320 to 370
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
28 to 45
Shear Modulus, GPa 73
72
Shear Strength, MPa 340
470 to 550
Tensile Strength: Ultimate (UTS), MPa 540
780 to 930
Tensile Strength: Yield (Proof), MPa 310
510 to 600

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
81 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 260
700 to 960
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
28 to 33
Strength to Weight: Bending, points 19
24 to 27
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
25 to 30

Alloy Composition

Carbon (C), % 0 to 0.28
0.8 to 0.93
Iron (Fe), % 97.7 to 98.8
98.1 to 98.6
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
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