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S44626 Stainless Steel vs. EN 1.6580 Steel

Both S44626 stainless steel and EN 1.6580 steel are iron alloys. They have 74% 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 S44626 stainless steel and the bottom bar is EN 1.6580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
11 to 19
Fatigue Strength, MPa 230
310 to 610
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 340
450 to 700
Tensile Strength: Ultimate (UTS), MPa 540
720 to 1170
Tensile Strength: Yield (Proof), MPa 350
460 to 990

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.3
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 160
59

Common Calculations

PREN (Pitting Resistance) 30
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
560 to 2590
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 19
26 to 41
Strength to Weight: Bending, points 19
23 to 31
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 18
21 to 34

Alloy Composition

Carbon (C), % 0 to 0.060
0.26 to 0.34
Chromium (Cr), % 25 to 27
1.8 to 2.2
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
93.7 to 95.5
Manganese (Mn), % 0 to 0.75
0.3 to 0.6
Molybdenum (Mo), % 0.75 to 1.5
0.3 to 0.5
Nickel (Ni), % 0 to 0.5
1.8 to 2.2
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Titanium (Ti), % 0.2 to 1.0
0