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EN 1.4818 Stainless Steel vs. EN 1.7033 Steel

Both EN 1.4818 stainless steel and EN 1.7033 steel are iron alloys. They have 71% of their average alloy composition in common. There are 25 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 1.4818 stainless steel and the bottom bar is EN 1.7033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 700
500 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1050
420
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.2
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 150
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
18 to 61
Strength to Weight: Bending, points 23
18 to 41
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 15
15 to 50

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.3 to 0.37
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
0.9 to 1.2
Iron (Fe), % 65.6 to 71.8
97.1 to 98.2
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 9.0 to 11
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035