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EN 1.4530 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4530 stainless steel and S21800 stainless steel are iron alloys. They have 83% 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 S21800 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 76
75
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
740

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 790
900
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 19
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 36 to 48
27
Strength to Weight: Bending, points 29 to 35
24
Thermal Shock Resistance, points 35 to 47
17

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0 to 0.1
Chromium (Cr), % 11.5 to 12.5
16 to 18
Iron (Fe), % 74.4 to 77.3
59.1 to 65.4
Manganese (Mn), % 0 to 0.1
7.0 to 9.0
Molybdenum (Mo), % 1.9 to 2.2
0
Nickel (Ni), % 8.5 to 9.5
8.0 to 9.0
Nitrogen (N), % 0 to 0.010
0.080 to 0.18
Phosphorus (P), % 0 to 0.010
0 to 0.060
Silicon (Si), % 0 to 0.1
3.5 to 4.5
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.37
0