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EN 1.4852 Stainless Steel vs. ASTM A369 Grade FP91

Both EN 1.4852 stainless steel and ASTM A369 grade FP91 are iron alloys. They have 45% 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 1.4852 stainless steel and the bottom bar is ASTM A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
19
Fatigue Strength, MPa 120
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 490
670
Tensile Strength: Yield (Proof), MPa 250
460

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 41
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.9
2.6
Embodied Energy, MJ/kg 100
37
Embodied Water, L/kg 220
88

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.4
6.9
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0.3 to 0.5
0.080 to 0.12
Chromium (Cr), % 24 to 27
8.0 to 9.5
Iron (Fe), % 29.6 to 40.9
87.3 to 90.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.85 to 1.1
Nickel (Ni), % 33 to 36
0 to 0.4
Niobium (Nb), % 0.8 to 1.8
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0
0 to 0.010