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AWS E80C-B2 vs. ASTM A356 Grade 8

Both AWS E80C-B2 and ASTM A356 grade 8 are iron alloys. Their average alloy composition is basically identical. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E80C-B2 and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
21
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
630
Tensile Strength: Yield (Proof), MPa 530
390

Thermal Properties

Latent Heat of Fusion, J/g 260
260
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 39
38
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 22
26
Embodied Water, L/kg 53
55

Common Calculations

PREN (Pitting Resistance) 3.0
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 740
390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 18
18

Alloy Composition


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Carbon (C), % 0.050 to 0.12
0 to 0.2
Chromium (Cr), % 1.0 to 1.5
1.0 to 1.5
Iron (Fe), % 95.3 to 97.9
95.4 to 97.4
Manganese (Mn), % 0.4 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0.4 to 0.65
0.9 to 1.2
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.25 to 0.6
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.030
0.050 to 0.15
Residuals, % 0 to 0.5
0