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S41050 Stainless Steel vs. EN 1.4578 Stainless Steel

Both S41050 stainless steel and EN 1.4578 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 33 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 S41050 stainless steel and the bottom bar is EN 1.4578 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
51
Fatigue Strength, MPa 160
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 300
400
Tensile Strength: Ultimate (UTS), MPa 470
550
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 720
930
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
3.7
Embodied Energy, MJ/kg 27
51
Embodied Water, L/kg 97
160

Common Calculations

PREN (Pitting Resistance) 12
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 7.2
3.9
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.040
Chromium (Cr), % 10.5 to 12.5
16.5 to 17.5
Copper (Cu), % 0
3.0 to 3.5
Iron (Fe), % 84.2 to 88.9
62.3 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0.6 to 1.1
10 to 11
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015