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EN 1.4374 Stainless Steel vs. S41425 Stainless Steel

Both EN 1.4374 stainless steel and S41425 stainless steel are iron alloys. They have 86% 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 1.4374 stainless steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
280
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
17
Fatigue Strength, MPa 340
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 550
570
Tensile Strength: Ultimate (UTS), MPa 800
920
Tensile Strength: Yield (Proof), MPa 400
750

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 920
810
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 42
40
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 23
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
150
Resilience: Unit (Modulus of Resilience), kJ/m3 400
1420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
33
Strength to Weight: Bending, points 25
27
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 17
33

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.050
Chromium (Cr), % 17.5 to 18.5
12 to 15
Copper (Cu), % 0 to 0.4
0 to 0.3
Iron (Fe), % 63.5 to 67.9
74 to 81.9
Manganese (Mn), % 9.0 to 10
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.5
1.5 to 2.0
Nickel (Ni), % 5.0 to 6.0
4.0 to 7.0
Nitrogen (N), % 0.25 to 0.32
0.060 to 0.12
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050