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EN 1.4530 Stainless Steel vs. AISI 440A Stainless Steel

Both EN 1.4530 stainless steel and AISI 440A 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 EN 1.4530 stainless steel and the bottom bar is AISI 440A 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 76
77
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
730 to 1790

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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