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AWS E80C-B8 vs. AWS E410

Both AWS E80C-B8 and AWS E410 are iron alloys. Both are furnished in the post-weld heat treated (PWHT) condition. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is AWS E80C-B8 and the bottom bar is AWS E410.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 540
440

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
28
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.0
Embodied Energy, MJ/kg 28
28
Embodied Water, L/kg 89
100

Common Calculations

PREN (Pitting Resistance) 13
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 740
500
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 6.9
7.5
Thermal Shock Resistance, points 17
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 8.0 to 10.5
11 to 13.5
Copper (Cu), % 0 to 0.35
0 to 0.75
Iron (Fe), % 85.5 to 90.6
82.2 to 89
Manganese (Mn), % 0.4 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
0 to 0.75
Nickel (Ni), % 0 to 0.2
0 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.6
0 to 0.9
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0