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EN 1.0402 Steel vs. EN 1.4424 Stainless Steel

Both EN 1.0402 steel and EN 1.4424 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 1.0402 steel and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
28
Fatigue Strength, MPa 170
350 to 370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 290
520
Tensile Strength: Ultimate (UTS), MPa 460
800
Tensile Strength: Yield (Proof), MPa 240
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
13
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 19
46
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
580 to 640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 13
3.5
Thermal Shock Resistance, points 15
23

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.030
Chromium (Cr), % 0 to 0.4
18 to 19
Iron (Fe), % 97.7 to 99.43
68.6 to 72.4
Manganese (Mn), % 0.4 to 0.7
1.2 to 2.0
Molybdenum (Mo), % 0 to 0.1
2.5 to 3.0
Nickel (Ni), % 0 to 0.4
4.5 to 5.2
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.4
1.4 to 2.0
Sulfur (S), % 0 to 0.045
0 to 0.015