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S21800 Stainless Steel vs. EN 1.7027 Steel

Both S21800 stainless steel and EN 1.7027 steel are iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is EN 1.7027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 740
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.3
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 150
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
17 to 52
Strength to Weight: Bending, points 24
18 to 36
Thermal Shock Resistance, points 17
14 to 43

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0.17 to 0.23
Chromium (Cr), % 16 to 18
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 59.1 to 65.4
97.1 to 98.5
Manganese (Mn), % 7.0 to 9.0
0.6 to 0.9
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 3.5 to 4.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030