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EN 1.7241 Steel vs. ASTM A369 Grade FP22

Both EN 1.7241 steel and ASTM A369 grade FP22 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7241 steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
470

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 51
58

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 71
17
Strength to Weight: Bending, points 21 to 45
17
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 59
14

Alloy Composition

Carbon (C), % 0.56 to 0.64
0.050 to 0.15
Chromium (Cr), % 0.7 to 1.0
1.9 to 2.6
Iron (Fe), % 96.6 to 97.8
95 to 96.9
Manganese (Mn), % 0.7 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.25 to 0.35
0.87 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025