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EN 1.1233 Steel vs. AISI 440B Stainless Steel

Both EN 1.1233 steel and AISI 440B stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.1233 steel and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 680 to 760
740 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
23
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 47
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 27
27 to 70
Strength to Weight: Bending, points 22 to 24
24 to 45
Thermal Diffusivity, mm2/s 14
6.1
Thermal Shock Resistance, points 22 to 24
27 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.52 to 0.6
0.75 to 1.0
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 98 to 99.1
78.2 to 83.3
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015

Comparable Variants