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EN 1.4541 Stainless Steel vs. ASTM A369 Grade FP9

Both EN 1.4541 stainless steel and ASTM A369 grade FP9 are iron alloys. They have 80% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4541 stainless steel and the bottom bar is ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
20
Fatigue Strength, MPa 190 to 330
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 410 to 550
300
Tensile Strength: Ultimate (UTS), MPa 600 to 900
470
Tensile Strength: Yield (Proof), MPa 220 to 570
240

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 940
600
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 16
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 140
87

Common Calculations

PREN (Pitting Resistance) 18
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
80
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
17
Strength to Weight: Bending, points 20 to 27
17
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 14 to 20
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 17 to 19
8.0 to 10
Iron (Fe), % 65.2 to 74
87.1 to 90.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.045
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 to 0.7
0