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EN 1.4581 Stainless Steel vs. EN 1.4652 Stainless Steel

Both EN 1.4581 stainless steel and EN 1.4652 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 75% 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 1.4581 stainless steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
45
Fatigue Strength, MPa 150
450
Impact Strength: V-Notched Charpy, J 45
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 510
880
Tensile Strength: Yield (Proof), MPa 210
490

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 490
440
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
9.8
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.2
6.4
Embodied Energy, MJ/kg 59
87
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 26
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
340
Resilience: Unit (Modulus of Resilience), kJ/m3 110
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
30
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 3.9
2.6
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 18 to 20
23 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 61.4 to 71
38.3 to 46.3
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 2.0 to 2.5
7.0 to 8.0
Nickel (Ni), % 9.0 to 12
21 to 23
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050