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EN 1.6580 Steel vs. S35140 Stainless Steel

Both EN 1.6580 steel and S35140 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6580 steel and the bottom bar is S35140 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 350
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 19
34
Fatigue Strength, MPa 310 to 610
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 450 to 700
460
Tensile Strength: Ultimate (UTS), MPa 720 to 1170
690
Tensile Strength: Yield (Proof), MPa 460 to 990
310

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.8
5.5
Embodied Energy, MJ/kg 23
78
Embodied Water, L/kg 59
190

Common Calculations

PREN (Pitting Resistance) 3.3
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 2590
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 41
24
Strength to Weight: Bending, points 23 to 31
22
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 21 to 34
16

Alloy Composition

Carbon (C), % 0.26 to 0.34
0 to 0.1
Chromium (Cr), % 1.8 to 2.2
20 to 22
Iron (Fe), % 93.7 to 95.5
44.1 to 52.7
Manganese (Mn), % 0.3 to 0.6
1.0 to 3.0
Molybdenum (Mo), % 0.3 to 0.5
1.0 to 2.0
Nickel (Ni), % 1.8 to 2.2
25 to 27
Niobium (Nb), % 0
0.25 to 0.75
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.030