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SAE-AISI 1022 Steel vs. SAE-AISI 1548 Steel

Both SAE-AISI 1022 steel and SAE-AISI 1548 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1022 steel and the bottom bar is SAE-AISI 1548 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 26
11 to 16
Fatigue Strength, MPa 190 to 300
270 to 430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 45 to 54
31 to 39
Shear Modulus, GPa 73
72
Shear Strength, MPa 310 to 340
440 to 500
Tensile Strength: Ultimate (UTS), MPa 480 to 550
730 to 830
Tensile Strength: Yield (Proof), MPa 260 to 450
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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 52
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 530
470 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 19
26 to 30
Strength to Weight: Bending, points 17 to 19
23 to 25
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15 to 17
23 to 27

Alloy Composition

Carbon (C), % 0.18 to 0.23
0.44 to 0.52
Iron (Fe), % 98.7 to 99.12
98 to 98.5
Manganese (Mn), % 0.7 to 1.0
1.1 to 1.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Sulfur (S), % 0 to 0.050
0 to 0.050

Comparable Variants