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EN 1.4607 Stainless Steel vs. ASTM A369 Grade FP9

Both EN 1.4607 stainless steel and ASTM A369 grade FP9 are iron alloys. Both are furnished in the annealed condition. 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 EN 1.4607 stainless steel and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
20
Fatigue Strength, MPa 180
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 330
300
Tensile Strength: Ultimate (UTS), MPa 530
470
Tensile Strength: Yield (Proof), MPa 270
240

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 930
600
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 18
26
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 40
28
Embodied Water, L/kg 130
87

Common Calculations

PREN (Pitting Resistance) 20
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
80
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 4.9
6.9
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18.5 to 20.5
8.0 to 10
Iron (Fe), % 75.6 to 81.4
87.1 to 90.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0