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ASTM A372 Grade G Steel vs. ASTM A182 Grade F24

Both ASTM A372 grade G steel and ASTM A182 grade F24 are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade G steel and the bottom bar is ASTM A182 grade F24.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
23
Fatigue Strength, MPa 310 to 380
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 410 to 570
420
Tensile Strength: Ultimate (UTS), MPa 650 to 910
670
Tensile Strength: Yield (Proof), MPa 430 to 550
460

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
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 46
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
33
Embodied Water, L/kg 49
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
24
Strength to Weight: Bending, points 21 to 27
22
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 19 to 27
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.25 to 0.35
0.050 to 0.1
Chromium (Cr), % 0.4 to 0.65
2.2 to 2.6
Iron (Fe), % 97.4 to 98.4
94.5 to 96.1
Manganese (Mn), % 0.7 to 1.0
0.3 to 0.7
Molybdenum (Mo), % 0.15 to 0.25
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.12
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0.15 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0.060 to 0.1
Vanadium (V), % 0
0.2 to 0.3