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ASTM A182 Grade F24 vs. ASTM A387 Grade 22 Steel

Both ASTM A182 grade F24 and ASTM A387 grade 22 steel are iron alloys. Their average alloy composition is basically identical. 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 ASTM A182 grade F24 and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
21
Fatigue Strength, MPa 330
160 to 240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 420
300 to 380
Tensile Strength: Ultimate (UTS), MPa 670
480 to 600
Tensile Strength: Yield (Proof), MPa 460
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 460
460
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.7
Embodied Energy, MJ/kg 33
23
Embodied Water, L/kg 61
58

Common Calculations

PREN (Pitting Resistance) 6.7
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 570
140 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
17 to 21
Strength to Weight: Bending, points 22
17 to 20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19
14 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0015 to 0.0070
0
Carbon (C), % 0.050 to 0.1
0.050 to 0.15
Chromium (Cr), % 2.2 to 2.6
2.0 to 2.5
Iron (Fe), % 94.5 to 96.1
95.1 to 96.8
Manganese (Mn), % 0.3 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0.9 to 1.1
0.9 to 1.1
Nitrogen (N), % 0 to 0.12
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.15 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.060 to 0.1
0
Vanadium (V), % 0.2 to 0.3
0