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AWS E80C-B2 vs. ASTM A369 Grade FP91

Both AWS E80C-B2 and ASTM A369 grade FP91 are iron alloys. They have a moderately high 92% of their average alloy composition in common. 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 A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 630
670
Tensile Strength: Yield (Proof), MPa 530
460

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 22
37
Embodied Water, L/kg 53
88

Common Calculations

PREN (Pitting Resistance) 3.0
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 740
560
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 18
18

Alloy Composition


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Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0.050 to 0.12
0.080 to 0.12
Chromium (Cr), % 1.0 to 1.5
8.0 to 9.5
Iron (Fe), % 95.3 to 97.9
87.3 to 90.3
Manganese (Mn), % 0.4 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 0.65
0.85 to 1.1
Nickel (Ni), % 0 to 0.2
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.25 to 0.6
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0 to 0.030
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.5
0