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EN 1.4421 Stainless Steel vs. EN 1.4537 Stainless Steel

Both EN 1.4421 stainless steel and EN 1.4537 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4421 stainless steel and the bottom bar is EN 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
42
Fatigue Strength, MPa 380 to 520
290
Impact Strength: V-Notched Charpy, J 30 to 67
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 880 to 1100
700
Tensile Strength: Yield (Proof), MPa 620 to 950
330

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
34
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.1
Embodied Energy, MJ/kg 36
84
Embodied Water, L/kg 130
220

Common Calculations

PREN (Pitting Resistance) 18
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 960 to 2270
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 39
24
Strength to Weight: Bending, points 26 to 30
22
Thermal Diffusivity, mm2/s 4.4
3.7
Thermal Shock Resistance, points 31 to 39
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 15.5 to 17.5
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 74.4 to 80.5
36.3 to 46.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
4.7 to 5.7
Nickel (Ni), % 4.0 to 5.5
24 to 27
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.010