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ASTM A369 Grade FPA vs. EN 1.8824 Steel

Both ASTM A369 grade FPA and EN 1.8824 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FPA and the bottom bar is EN 1.8824 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
22
Fatigue Strength, MPa 180
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 240
370
Tensile Strength: Ultimate (UTS), MPa 380
580
Tensile Strength: Yield (Proof), MPa 240
440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
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 52
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
21
Embodied Water, L/kg 46
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.040
Carbon (C), % 0 to 0.25
0 to 0.16
Iron (Fe), % 98.3 to 99.63
96.6 to 99.98
Manganese (Mn), % 0.27 to 0.93
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.1 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1