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EN 1.4565 Stainless Steel vs. EN 1.4521 Stainless Steel

Both EN 1.4565 stainless steel and EN 1.4521 stainless steel are iron alloys. They have 68% 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 1.4565 stainless steel and the bottom bar is EN 1.4521 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
23
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 590
330
Tensile Strength: Ultimate (UTS), MPa 880
520
Tensile Strength: Yield (Proof), MPa 480
340

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
500
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
23
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.8
Embodied Energy, MJ/kg 74
39
Embodied Water, L/kg 210
130

Common Calculations

PREN (Pitting Resistance) 47
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 550
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 3.2
6.2
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 24 to 26
17 to 20
Iron (Fe), % 41.2 to 50.7
74.6 to 81.1
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
1.8 to 2.5
Nickel (Ni), % 16 to 19
0
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8