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AISI 440A Stainless Steel vs. EN 1.4530 Stainless Steel

Both AISI 440A stainless steel and EN 1.4530 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 760
790
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 31
46
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 18
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 65
36 to 48
Strength to Weight: Bending, points 23 to 43
29 to 35
Thermal Shock Resistance, points 26 to 65
35 to 47

Alloy Composition

Aluminum (Al), % 0
0.6 to 0.8
Carbon (C), % 0.6 to 0.75
0 to 0.015
Chromium (Cr), % 16 to 18
11.5 to 12.5
Iron (Fe), % 78.4 to 83.4
74.4 to 77.3
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0 to 0.75
1.9 to 2.2
Nickel (Ni), % 0
8.5 to 9.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.37