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EN 1.4621 Stainless Steel vs. EN 1.4526 Stainless Steel

Both EN 1.4621 stainless steel and EN 1.4526 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 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 1.4621 stainless steel and the bottom bar is EN 1.4526 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
25
Fatigue Strength, MPa 190
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 320
340
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 270
330

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 510
490
Maximum Temperature: Mechanical, °C 970
880
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
30
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 21
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 5.7
8.1
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 20 to 21.5
16 to 18
Copper (Cu), % 0.1 to 1.0
0
Iron (Fe), % 74.4 to 79.7
77.4 to 83.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.4
Niobium (Nb), % 0.2 to 1.0
0.1 to 1.0
Nitrogen (N), % 0 to 0.030
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015