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ASTM A369 Grade FP11 vs. EN 1.1158 Steel

Both ASTM A369 grade FP11 and EN 1.1158 steel are iron alloys. They have a very high 98% of their average alloy composition in common. 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 ASTM A369 grade FP11 and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
23 to 24
Fatigue Strength, MPa 160
170 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
300 to 320
Tensile Strength: Ultimate (UTS), MPa 470
470 to 500
Tensile Strength: Yield (Proof), MPa 240
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
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 40
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 52
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
150 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
17 to 18
Strength to Weight: Bending, points 17
17 to 18
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 14
15 to 16

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.22 to 0.29
Chromium (Cr), % 1.0 to 1.5
0 to 0.4
Iron (Fe), % 96.1 to 97.7
97.6 to 99.38
Manganese (Mn), % 0.3 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.5 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035