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ASTM A369 Grade FP5 vs. EN 1.4418 Stainless Steel

Both ASTM A369 grade FP5 and EN 1.4418 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP5 and the bottom bar is EN 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
16 to 20
Fatigue Strength, MPa 160
350 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 300
530 to 620
Tensile Strength: Ultimate (UTS), MPa 470
860 to 1000
Tensile Strength: Yield (Proof), MPa 240
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
870
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
39
Embodied Water, L/kg 69
130

Common Calculations

PREN (Pitting Resistance) 6.8
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
730 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
31 to 36
Strength to Weight: Bending, points 17
26 to 28
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 13
31 to 36

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 4.0 to 6.0
15 to 17
Iron (Fe), % 92.1 to 95.3
73.2 to 80.2
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.45 to 0.65
0.8 to 1.5
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015