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EN 1.4864 Stainless Steel vs. EN 1.4422 Stainless Steel

Both EN 1.4864 stainless steel and EN 1.4422 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 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 1.4864 stainless steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 33
17
Fatigue Strength, MPa 200
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 430
520
Tensile Strength: Ultimate (UTS), MPa 650
850
Tensile Strength: Yield (Proof), MPa 260
630

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
2.7
Embodied Energy, MJ/kg 75
37
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 17
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 17
31

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 15 to 17
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 41.7 to 51
76.8 to 83.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 33 to 37
4.0 to 5.0
Nitrogen (N), % 0 to 0.1
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0030