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EN 1.4652 Stainless Steel vs. EN 1.4436 Stainless Steel

Both EN 1.4652 stainless steel and EN 1.4436 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4652 stainless steel and the bottom bar is EN 1.4436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
42
Fatigue Strength, MPa 450
220
Impact Strength: V-Notched Charpy, J 90
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 610
430
Tensile Strength: Ultimate (UTS), MPa 880
620
Tensile Strength: Yield (Proof), MPa 490
240

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 9.8
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
19
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.4
3.9
Embodied Energy, MJ/kg 87
54
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 57
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
210
Resilience: Unit (Modulus of Resilience), kJ/m3 570
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 2.6
4.0
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 23 to 25
16.5 to 18.5
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 46.3
62.3 to 70.5
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
2.5 to 3.0
Nickel (Ni), % 21 to 23
10.5 to 13
Nitrogen (N), % 0.45 to 0.55
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.015