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EN 1.4469 Stainless Steel vs. ASTM A369 Grade FP22

Both EN 1.4469 stainless steel and ASTM A369 grade FP22 are iron alloys. They have 65% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4469 stainless steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 25
20
Fatigue Strength, MPa 380
160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 740
470
Tensile Strength: Yield (Proof), MPa 550
240

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.7
Embodied Energy, MJ/kg 57
23
Embodied Water, L/kg 180
58

Common Calculations

PREN (Pitting Resistance) 42
5.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
80
Resilience: Unit (Modulus of Resilience), kJ/m3 730
150
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 25 to 27
1.9 to 2.6
Copper (Cu), % 0 to 1.3
0
Iron (Fe), % 56.4 to 65.9
95 to 96.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 5.0
0.87 to 1.1
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025