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AISI 440A Stainless Steel vs. EN 1.3541 Stainless Steel

Both AISI 440A stainless steel and EN 1.3541 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is EN 1.3541 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
710

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 400
390
Maximum Temperature: Mechanical, °C 760
770
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
30
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.9
Embodied Energy, MJ/kg 31
27
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 18
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 65
26
Strength to Weight: Bending, points 23 to 43
23
Thermal Diffusivity, mm2/s 6.2
8.1
Thermal Shock Resistance, points 26 to 65
26

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.43 to 0.5
Chromium (Cr), % 16 to 18
12.5 to 14.5
Iron (Fe), % 78.4 to 83.4
83.4 to 87.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
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 0.030