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EN 1.1191 Steel vs. ASTM A369 Grade FP2

Both EN 1.1191 steel and ASTM A369 grade FP2 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
20
Fatigue Strength, MPa 210 to 290
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 430
270
Tensile Strength: Ultimate (UTS), MPa 630 to 700
430
Tensile Strength: Yield (Proof), MPa 310 to 440
240

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 48
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 47
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
75
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
15
Strength to Weight: Bending, points 21 to 22
16
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 20 to 22
13

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.1 to 0.2
Chromium (Cr), % 0 to 0.4
0.5 to 0.81
Iron (Fe), % 97.3 to 99.08
97.4 to 98.6
Manganese (Mn), % 0.5 to 0.8
0.3 to 0.61
Molybdenum (Mo), % 0 to 0.1
0.44 to 0.65
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0.1 to 0.3
Sulfur (S), % 0 to 0.035
0 to 0.025