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EN 1.6526 Steel vs. EN 1.4621 Stainless Steel

Both EN 1.6526 steel and EN 1.4621 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 24 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 1.6526 steel and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 520 to 1460
500

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
970
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 50
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 52
18
Strength to Weight: Bending, points 18 to 36
18
Thermal Diffusivity, mm2/s 10
5.7
Thermal Shock Resistance, points 15 to 43
17

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.030
Chromium (Cr), % 0.35 to 0.7
20 to 21.5
Copper (Cu), % 0 to 0.25
0.1 to 1.0
Iron (Fe), % 96.6 to 98.3
74.4 to 79.7
Manganese (Mn), % 0.65 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0.020 to 0.040
0 to 0.015