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ASTM A182 Grade F1 vs. SAE-AISI 1548 Steel

Both ASTM A182 grade F1 and SAE-AISI 1548 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 1548 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11 to 16
Fatigue Strength, MPa 220
270 to 430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
31 to 39
Shear Modulus, GPa 73
72
Shear Strength, MPa 340
440 to 500
Tensile Strength: Ultimate (UTS), MPa 540
730 to 830
Tensile Strength: Yield (Proof), MPa 310
420 to 690

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
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
8.1

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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 260
470 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
26 to 30
Strength to Weight: Bending, points 19
23 to 25
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.28
0.44 to 0.52
Iron (Fe), % 97.7 to 98.8
98 to 98.5
Manganese (Mn), % 0.6 to 0.9
1.1 to 1.4
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