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ASTM A369 Grade FP9 vs. EN 1.1133 Steel

Both ASTM A369 grade FP9 and EN 1.1133 steel are iron alloys. They have 90% 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 FP9 and the bottom bar is EN 1.1133 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19 to 24
Fatigue Strength, MPa 160
230 to 310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 300
370 to 380
Tensile Strength: Ultimate (UTS), MPa 470
580 to 620
Tensile Strength: Yield (Proof), MPa 240
320 to 460

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 87
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
270 to 550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
21 to 22
Strength to Weight: Bending, points 17
20 to 21
Thermal Diffusivity, mm2/s 6.9
13
Thermal Shock Resistance, points 13
18 to 19

Alloy Composition

Carbon (C), % 0 to 0.15
0.17 to 0.23
Chromium (Cr), % 8.0 to 10
0 to 0.4
Iron (Fe), % 87.1 to 90.3
96.9 to 98.8
Manganese (Mn), % 0.3 to 0.6
1.0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.5 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035