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EN 1.4409 Stainless Steel vs. EN 1.0234 Steel

Both EN 1.4409 stainless steel and EN 1.0234 steel are iron alloys. They have 67% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4409 stainless steel and the bottom bar is EN 1.0234 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
12 to 29
Fatigue Strength, MPa 180
170 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
350 to 480
Tensile Strength: Yield (Proof), MPa 220
220 to 410

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
36 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 120
130 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
12 to 17
Strength to Weight: Bending, points 18
14 to 17
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 11
11 to 15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.030
0.13 to 0.17
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 61.7 to 71
99.02 to 99.5
Manganese (Mn), % 0 to 2.0
0.35 to 0.6
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 9.0 to 12
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.025