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EN 1.0402 Steel vs. EN 1.4406 Stainless Steel

Both EN 1.0402 steel and EN 1.4406 stainless steel are iron alloys. They have 69% 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 1.4406 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
42
Fatigue Strength, MPa 170
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 290
470
Tensile Strength: Ultimate (UTS), MPa 460
680
Tensile Strength: Yield (Proof), MPa 240
320

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
950
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 19
51
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
240
Resilience: Unit (Modulus of Resilience), kJ/m3 150
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.030
Chromium (Cr), % 0 to 0.4
16.5 to 18.5
Iron (Fe), % 97.7 to 99.43
63.2 to 71.4
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
2.0 to 2.5
Nickel (Ni), % 0 to 0.4
10 to 12.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.045
0 to 0.015