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EN 1.4123 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.4123 stainless steel and EN 1.7366 steel are iron alloys. They have 87% 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 1.4123 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 720 to 810
460 to 710

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 840
510
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.7
Embodied Energy, MJ/kg 62
23
Embodied Water, L/kg 120
69

Common Calculations

PREN (Pitting Resistance) 24
6.8
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
16 to 25
Strength to Weight: Bending, points 23 to 25
17 to 23
Thermal Diffusivity, mm2/s 6.3
11
Thermal Shock Resistance, points 26 to 29
13 to 20

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.18
Chromium (Cr), % 14 to 16.5
4.0 to 6.0
Iron (Fe), % 76.7 to 84.6
91.9 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 1.0 to 2.5
0.45 to 0.65
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.5
0

Comparable Variants