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EN 1.4530 Stainless Steel vs. SAE-AISI 4820 Steel

Both EN 1.4530 stainless steel and SAE-AISI 4820 steel are iron alloys. They have 80% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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 SAE-AISI 4820 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
570

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 790
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
1.8
Embodied Energy, MJ/kg 46
24
Embodied Water, L/kg 130
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 48
20
Strength to Weight: Bending, points 29 to 35
19
Thermal Shock Resistance, points 35 to 47
19

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0.18 to 0.23
Chromium (Cr), % 11.5 to 12.5
0
Iron (Fe), % 74.4 to 77.3
94.6 to 95.7
Manganese (Mn), % 0 to 0.1
0.5 to 0.7
Molybdenum (Mo), % 1.9 to 2.2
0.2 to 0.3
Nickel (Ni), % 8.5 to 9.5
3.3 to 3.8
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0 to 0.0050
0 to 0.040
Titanium (Ti), % 0.28 to 0.37
0