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EN 1.8888 Steel vs. EN 1.4123 Stainless Steel

Both EN 1.8888 steel and EN 1.4123 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 26 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 1.8888 steel and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 830
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 420
840
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
4.2
Embodied Energy, MJ/kg 26
62
Embodied Water, L/kg 54
120

Common Calculations

PREN (Pitting Resistance) 2.0
24
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
26 to 29
Strength to Weight: Bending, points 25
23 to 25
Thermal Diffusivity, mm2/s 11
6.3
Thermal Shock Resistance, points 24
26 to 29

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.35 to 0.5
Chromium (Cr), % 0 to 1.5
14 to 16.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
76.7 to 84.6
Manganese (Mn), % 0 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.7
1.0 to 2.5
Nickel (Ni), % 0 to 2.5
0 to 0.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0 to 1.5
Zirconium (Zr), % 0 to 0.15
0