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EN 1.1172 Steel vs. ASTM A369 Grade FP1

Both EN 1.1172 steel and ASTM A369 grade FP1 are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.1172 steel and the bottom bar is ASTM A369 grade FP1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 480 to 1720
430

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 46
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 61
15
Strength to Weight: Bending, points 17 to 41
16
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 15 to 55
13

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.1 to 0.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.2 to 99.18
97.8 to 99.06
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025