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EN 1.4821 Stainless Steel vs. EN 1.3558 Steel

Both EN 1.4821 stainless steel and EN 1.3558 steel are iron alloys. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4821 stainless steel and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
230
Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 730
770

Thermal Properties

Latent Heat of Fusion, J/g 310
240
Maximum Temperature: Mechanical, °C 1100
490
Melting Completion (Liquidus), °C 1410
1810
Melting Onset (Solidus), °C 1370
1760
Specific Heat Capacity, J/kg-K 490
410
Thermal Conductivity, W/m-K 17
20
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
45
Density, g/cm3 7.6
9.3
Embodied Carbon, kg CO2/kg material 2.9
8.4
Embodied Energy, MJ/kg 41
130
Embodied Water, L/kg 160
90

Common Calculations

PREN (Pitting Resistance) 26
35
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 26
21
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
5.3
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.7 to 0.8
Chromium (Cr), % 24.5 to 26.5
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 64.2 to 71.1
73.7 to 77.6
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.8 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3