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ASTM A182 Grade F24 vs. AWS ER80S-B2

Both ASTM A182 grade F24 and AWS ER80S-B2 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F24 and the bottom bar is AWS ER80S-B2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
21
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670
620
Tensile Strength: Yield (Proof), MPa 460
540

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
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
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.6
Embodied Energy, MJ/kg 33
21
Embodied Water, L/kg 61
54

Common Calculations

PREN (Pitting Resistance) 6.7
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 570
760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19
18

Alloy Composition


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Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0015 to 0.0070
0
Carbon (C), % 0.050 to 0.1
0.070 to 0.12
Chromium (Cr), % 2.2 to 2.6
1.2 to 1.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 94.5 to 96.1
95.2 to 97.5
Manganese (Mn), % 0.3 to 0.7
0.4 to 0.7
Molybdenum (Mo), % 0.9 to 1.1
0.4 to 0.65
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.12
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.15 to 0.45
0.4 to 0.7
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
Residuals, % 0
0 to 0.5