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ASTM A369 Grade FP5 vs. EN 1.4905 Stainless Steel

Both ASTM A369 grade FP5 and EN 1.4905 stainless steel are iron alloys. They have a moderately high 94% 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 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Fatigue Strength, MPa 160
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 300
460
Tensile Strength: Ultimate (UTS), MPa 470
740
Tensile Strength: Yield (Proof), MPa 240
510

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 510
660
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
9.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
40
Embodied Water, L/kg 69
90

Common Calculations

PREN (Pitting Resistance) 6.8
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
680
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 11
7.0
Thermal Shock Resistance, points 13
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.15
0.090 to 0.13
Chromium (Cr), % 4.0 to 6.0
8.5 to 9.5
Iron (Fe), % 92.1 to 95.3
86.2 to 88.8
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0.45 to 0.65
0.9 to 1.1
Nickel (Ni), % 0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25