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ASTM A369 Grade FP5 vs. EN 1.4104 Stainless Steel

Both ASTM A369 grade FP5 and EN 1.4104 stainless steel are iron alloys. They have 88% 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 FP5 and the bottom bar is EN 1.4104 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
11 to 23
Fatigue Strength, MPa 160
230 to 310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 300
400 to 450
Tensile Strength: Ultimate (UTS), MPa 470
630 to 750
Tensile Strength: Yield (Proof), MPa 240
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
860
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.2
Embodied Energy, MJ/kg 23
30
Embodied Water, L/kg 69
120

Common Calculations

PREN (Pitting Resistance) 6.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
310 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
23 to 27
Strength to Weight: Bending, points 17
21 to 24
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 13
22 to 27

Alloy Composition

Carbon (C), % 0 to 0.15
0.1 to 0.17
Chromium (Cr), % 4.0 to 6.0
15.5 to 17.5
Iron (Fe), % 92.1 to 95.3
78.8 to 84.1
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.45 to 0.65
0.2 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0.15 to 0.35