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EN 1.4374 Stainless Steel vs. EN 1.0425 Steel

Both EN 1.4374 stainless steel and EN 1.0425 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 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 EN 1.0425 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
24
Fatigue Strength, MPa 340
190
Impact Strength: V-Notched Charpy, J 90
44
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 550
300
Tensile Strength: Ultimate (UTS), MPa 800
470
Tensile Strength: Yield (Proof), MPa 400
260

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.2
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
98
Resilience: Unit (Modulus of Resilience), kJ/m3 400
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0.050 to 0.1
0 to 0.2
Chromium (Cr), % 17.5 to 18.5
0 to 0.3
Copper (Cu), % 0 to 0.4
0 to 0.3
Iron (Fe), % 63.5 to 67.9
96.9 to 99.18
Manganese (Mn), % 9.0 to 10
0.8 to 1.4
Molybdenum (Mo), % 0 to 0.5
0 to 0.080
Nickel (Ni), % 5.0 to 6.0
0 to 0.3
Niobium (Nb), % 0
0 to 0.020
Nitrogen (N), % 0.25 to 0.32
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.3 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.020