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EN 1.4415 Stainless Steel vs. EN 1.6580 Steel

Both EN 1.4415 stainless steel and EN 1.6580 steel are iron alloys. They have 84% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4415 stainless steel and the bottom bar is EN 1.6580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 20
11 to 19
Fatigue Strength, MPa 470 to 510
310 to 610
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 570
450 to 700
Tensile Strength: Ultimate (UTS), MPa 830 to 930
720 to 1170
Tensile Strength: Yield (Proof), MPa 730 to 840
460 to 990

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 790
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 19
40
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.3
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 51
23
Embodied Water, L/kg 120
59

Common Calculations

PREN (Pitting Resistance) 19
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
560 to 2590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 33
26 to 41
Strength to Weight: Bending, points 25 to 27
23 to 31
Thermal Diffusivity, mm2/s 5.1
11
Thermal Shock Resistance, points 30 to 34
21 to 34

Alloy Composition

Carbon (C), % 0 to 0.030
0.26 to 0.34
Chromium (Cr), % 11.5 to 13.5
1.8 to 2.2
Iron (Fe), % 75.9 to 82.4
93.7 to 95.5
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 1.5 to 2.5
0.3 to 0.5
Nickel (Ni), % 4.5 to 6.5
1.8 to 2.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.1 to 0.5
0