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EN 1.0425 Steel vs. S42300 Stainless Steel

Both EN 1.0425 steel and S42300 stainless steel are iron alloys. They have 85% 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 1.0425 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
9.1
Fatigue Strength, MPa 190
440
Impact Strength: V-Notched Charpy, J 44
13
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300
650
Tensile Strength: Ultimate (UTS), MPa 470
1100
Tensile Strength: Yield (Proof), MPa 260
850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.2
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 48
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
93
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
39
Strength to Weight: Bending, points 17
30
Thermal Diffusivity, mm2/s 13
6.8
Thermal Shock Resistance, points 15
40

Alloy Composition

Aluminum (Al), % 0.020 to 0.024
0
Carbon (C), % 0 to 0.2
0.27 to 0.32
Chromium (Cr), % 0 to 0.3
11 to 12
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.9 to 99.18
82 to 85.1
Manganese (Mn), % 0.8 to 1.4
1.0 to 1.4
Molybdenum (Mo), % 0 to 0.080
2.5 to 3.0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Niobium (Nb), % 0 to 0.020
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.020
0.2 to 0.3