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EN 1.3558 Steel vs. S21603 Stainless Steel

Both EN 1.3558 steel and S21603 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 22 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 1.3558 steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 770
690

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 490
990
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1760
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
17
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.4
3.6
Embodied Energy, MJ/kg 130
50
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 35
34
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
17.5 to 22
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
57.6 to 67.8
Manganese (Mn), % 0 to 0.4
7.5 to 9.0
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0