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EN 1.4578 Stainless Steel vs. S20161 Stainless Steel

Both EN 1.4578 stainless steel and S20161 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 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 1.4578 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
46
Fatigue Strength, MPa 200
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 400
690
Tensile Strength: Ultimate (UTS), MPa 550
980
Tensile Strength: Yield (Proof), MPa 200
390

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 930
870
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 51
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 25
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
360
Resilience: Unit (Modulus of Resilience), kJ/m3 100
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 19
36
Strength to Weight: Bending, points 19
29
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 12
22

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.15
Chromium (Cr), % 16.5 to 17.5
15 to 18
Copper (Cu), % 3.0 to 3.5
0
Iron (Fe), % 62.3 to 68.5
65.6 to 73.9
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 11
4.0 to 6.0
Nitrogen (N), % 0 to 0.1
0.080 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.015
0 to 0.040