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AWS E240 vs. ASTM A369 Grade FP5

Both AWS E240 and ASTM A369 grade FP5 are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is ASTM A369 grade FP5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 770
470

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 160
69

Common Calculations

PREN (Pitting Resistance) 22
6.8
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 17 to 19
4.0 to 6.0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 68.4
92.1 to 95.3
Manganese (Mn), % 10.5 to 13.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.75
0.45 to 0.65
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025