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ASTM A372 Grade B Steel vs. AWS E80C-B8

Both ASTM A372 grade B steel and AWS E80C-B8 are iron alloys. They have 89% of their average alloy composition in common. There are 27 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 A372 grade B steel and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 600
620
Tensile Strength: Yield (Proof), MPa 350
540

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
25
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.1
Embodied Energy, MJ/kg 18
28
Embodied Water, L/kg 46
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.35
0 to 0.1
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 97.9 to 99.85
85.5 to 90.6
Manganese (Mn), % 0 to 1.4
0.4 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.25 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5