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EN 1.6580 Steel vs. EN 1.4411 Stainless Steel

Both EN 1.6580 steel and EN 1.4411 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6580 steel and the bottom bar is EN 1.4411 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 19
17
Fatigue Strength, MPa 310 to 610
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 720 to 1170
870
Tensile Strength: Yield (Proof), MPa 460 to 990
600

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 450
880
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.0
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 59
130

Common Calculations

PREN (Pitting Resistance) 3.3
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 2590
920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 41
31
Strength to Weight: Bending, points 23 to 31
26
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 21 to 34
28

Alloy Composition

Carbon (C), % 0.26 to 0.34
0 to 0.060
Chromium (Cr), % 1.8 to 2.2
15 to 17
Iron (Fe), % 93.7 to 95.5
73.1 to 79.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.5
1.5 to 2.0
Nickel (Ni), % 1.8 to 2.2
4.0 to 6.0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.025