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EN 1.7366 Steel vs. S41425 Stainless Steel

Both EN 1.7366 steel and S41425 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 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 1.7366 steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
280
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
17
Fatigue Strength, MPa 160 to 320
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 290 to 440
570
Tensile Strength: Ultimate (UTS), MPa 460 to 710
920
Tensile Strength: Yield (Proof), MPa 230 to 480
750

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.9
Embodied Energy, MJ/kg 23
40
Embodied Water, L/kg 69
120

Common Calculations

PREN (Pitting Resistance) 6.8
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
1420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
33
Strength to Weight: Bending, points 17 to 23
27
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 13 to 20
33

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.050
Chromium (Cr), % 4.0 to 6.0
12 to 15
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
74 to 81.9
Manganese (Mn), % 0.3 to 0.8
0.5 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
1.5 to 2.0
Nickel (Ni), % 0
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050