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S21904 Stainless Steel vs. EN 1.5026 Steel

Both S21904 stainless steel and EN 1.5026 steel are iron alloys. They have 65% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is EN 1.5026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
660 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 160
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 36
24 to 71
Strength to Weight: Bending, points 23 to 29
22 to 45
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15 to 21
20 to 60

Alloy Composition

Carbon (C), % 0 to 0.040
0.52 to 0.6
Chromium (Cr), % 19 to 21.5
0
Iron (Fe), % 59.5 to 67.4
96.5 to 97.3
Manganese (Mn), % 8.0 to 10
0.6 to 0.9
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
1.6 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants