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EN 1.4724 Stainless Steel vs. S41041 Stainless Steel

Both EN 1.4724 stainless steel and S41041 stainless steel are iron alloys. They have a very high 98% 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 EN 1.4724 stainless steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
17
Fatigue Strength, MPa 170
350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 340
560
Tensile Strength: Ultimate (UTS), MPa 550
910
Tensile Strength: Yield (Proof), MPa 280
580

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 850
740
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 21
29
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
8.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.2
Embodied Energy, MJ/kg 28
31
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 13
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
32
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 5.6
7.8
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0 to 0.050
Carbon (C), % 0 to 0.12
0.13 to 0.18
Chromium (Cr), % 12 to 14
11.5 to 13
Iron (Fe), % 82.2 to 86.6
84.5 to 87.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.7 to 1.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030