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ASTM A182 Grade F5 vs. EN 1.7221 Steel

Both ASTM A182 grade F5 and EN 1.7221 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 30 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 ASTM A182 grade F5 and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11 to 17
Fatigue Strength, MPa 220
290 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 540
650 to 780
Tensile Strength: Yield (Proof), MPa 310
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
420
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 40
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 69
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 260
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
23 to 27
Strength to Weight: Bending, points 19
21 to 24
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 15
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.15
0.22 to 0.29
Chromium (Cr), % 4.0 to 6.0
0.8 to 1.2
Iron (Fe), % 91.5 to 95.3
96.8 to 98.3
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.8
Molybdenum (Mo), % 0.44 to 0.65
0.15 to 0.3
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030