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EN 1.6579 Steel vs. ASTM A369 Grade FP5

Both EN 1.6579 steel and ASTM A369 grade FP5 are iron alloys. They have a very high 96% 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 EN 1.6579 steel and the bottom bar is ASTM A369 grade FP5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 290
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
20
Fatigue Strength, MPa 380 to 570
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 850 to 980
470
Tensile Strength: Yield (Proof), MPa 600 to 910
240

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 440
510
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 22
23
Embodied Water, L/kg 56
69

Common Calculations

PREN (Pitting Resistance) 2.4
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 950 to 2210
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 30 to 35
17
Strength to Weight: Bending, points 25 to 28
17
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 25 to 29
13

Alloy Composition

Carbon (C), % 0.32 to 0.38
0 to 0.15
Chromium (Cr), % 1.4 to 1.7
4.0 to 6.0
Iron (Fe), % 94.2 to 96.1
92.1 to 95.3
Manganese (Mn), % 0.6 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 0.35
0.45 to 0.65
Nickel (Ni), % 1.4 to 1.7
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025