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SAE-AISI 1078 Steel vs. ASTM A182 Grade F24

Both SAE-AISI 1078 steel and ASTM A182 grade F24 are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1078 steel and the bottom bar is ASTM A182 grade F24.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
23
Fatigue Strength, MPa 270 to 350
330
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 45
45
Shear Modulus, GPa 72
74
Shear Strength, MPa 440 to 470
420
Tensile Strength: Ultimate (UTS), MPa 730 to 780
670
Tensile Strength: Yield (Proof), MPa 430 to 570
460

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
33
Embodied Water, L/kg 45
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 90
140
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 860
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 28
24
Strength to Weight: Bending, points 23 to 24
22
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 25 to 26
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.72 to 0.85
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Iron (Fe), % 98.5 to 99
94.5 to 96.1
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0.15 to 0.45
Sulfur (S), % 0 to 0.050
0 to 0.010
Titanium (Ti), % 0
0.060 to 0.1
Vanadium (V), % 0
0.2 to 0.3