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AWS E240 vs. ASTM A182 Grade F6b

Both AWS E240 and ASTM A182 grade F6b are iron alloys. They have 79% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770
850

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.2
Embodied Energy, MJ/kg 42
30
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 22
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
30
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 19
31

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 17 to 19
11.5 to 13.5
Copper (Cu), % 0 to 0.75
0 to 0.5
Iron (Fe), % 58.6 to 68.4
81.2 to 87.1
Manganese (Mn), % 10.5 to 13.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.4 to 0.6
Nickel (Ni), % 4.0 to 6.0
1.0 to 2.0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020