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EN 1.4446 Stainless Steel vs. EN 1.4652 Stainless Steel

Both EN 1.4446 stainless steel and EN 1.4652 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 79% of their average alloy composition in common. There are 33 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 1.4446 stainless steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
45
Fatigue Strength, MPa 160
450
Impact Strength: V-Notched Charpy, J 56
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 490
880
Tensile Strength: Yield (Proof), MPa 240
490

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
9.8
Thermal Expansion, µm/m-K 16
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 22
34
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.5
6.4
Embodied Energy, MJ/kg 60
87
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 34
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
340
Resilience: Unit (Modulus of Resilience), kJ/m3 140
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 3.6
2.6
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 16.5 to 18.5
23 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 59.7 to 66.9
38.3 to 46.3
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 4.0 to 4.5
7.0 to 8.0
Nickel (Ni), % 12.5 to 14.5
21 to 23
Nitrogen (N), % 0.12 to 0.22
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050