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EN 1.4558 Stainless Steel vs. EN 1.6526 Steel

Both EN 1.4558 stainless steel and EN 1.6526 steel are iron alloys. They have 45% 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 1.4558 stainless steel and the bottom bar is EN 1.6526 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 510
520 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.6
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
1.5
Embodied Energy, MJ/kg 77
20
Embodied Water, L/kg 200
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
18 to 52
Strength to Weight: Bending, points 18
18 to 36
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 12
15 to 43

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 20 to 23
0.35 to 0.7
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 39.2 to 47.9
96.6 to 98.3
Manganese (Mn), % 0 to 1.0
0.65 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 32 to 35
0.4 to 0.7
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.015
0.020 to 0.040
Titanium (Ti), % 0 to 0.6
0