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ASTM A369 Grade FP22 vs. EN 1.4123 Stainless Steel

Both ASTM A369 grade FP22 and EN 1.4123 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP22 and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 470
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 460
840
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
4.2
Embodied Energy, MJ/kg 23
62
Embodied Water, L/kg 58
120

Common Calculations

PREN (Pitting Resistance) 5.5
24
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
26 to 29
Strength to Weight: Bending, points 17
23 to 25
Thermal Diffusivity, mm2/s 11
6.3
Thermal Shock Resistance, points 14
26 to 29

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.35 to 0.5
Chromium (Cr), % 1.9 to 2.6
14 to 16.5
Iron (Fe), % 95 to 96.9
76.7 to 84.6
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.87 to 1.1
1.0 to 2.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0 to 1.5