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EN 1.3543 Stainless Steel vs. EN 1.6580 Steel

Both EN 1.3543 stainless steel and EN 1.6580 steel are iron alloys. They have 85% 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 1.3543 stainless steel and the bottom bar is EN 1.6580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 730
720 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.3
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.8
Embodied Energy, MJ/kg 32
23
Embodied Water, L/kg 120
59

Common Calculations

PREN (Pitting Resistance) 19
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
26 to 41
Strength to Weight: Bending, points 24
23 to 31
Thermal Diffusivity, mm2/s 6.1
11
Thermal Shock Resistance, points 26
21 to 34

Alloy Composition

Carbon (C), % 1.0 to 1.2
0.26 to 0.34
Chromium (Cr), % 16 to 18
1.8 to 2.2
Iron (Fe), % 79.1 to 83.6
93.7 to 95.5
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 0.8
0.3 to 0.5
Nickel (Ni), % 0
1.8 to 2.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035