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ASTM A369 Grade FP9 vs. EN 1.4110 Stainless Steel

Both ASTM A369 grade FP9 and EN 1.4110 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 (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 1.4110 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 14
Fatigue Strength, MPa 160
250 to 730
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 300
470 to 1030
Tensile Strength: Ultimate (UTS), MPa 470
770 to 1720
Tensile Strength: Yield (Proof), MPa 240
430 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
790
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.3
Embodied Energy, MJ/kg 28
33
Embodied Water, L/kg 87
110

Common Calculations

PREN (Pitting Resistance) 12
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
90 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
480 to 4550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28 to 62
Strength to Weight: Bending, points 17
24 to 41
Thermal Diffusivity, mm2/s 6.9
8.1
Thermal Shock Resistance, points 13
27 to 60

Alloy Composition

Carbon (C), % 0 to 0.15
0.48 to 0.6
Chromium (Cr), % 8.0 to 10
13 to 15
Iron (Fe), % 87.1 to 90.3
81.4 to 86
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0.5 to 0.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0 to 0.15