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EN 1.4123 Stainless Steel vs. EN 1.6982 Stainless Steel

Both EN 1.4123 stainless steel and EN 1.6982 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 720 to 810
800

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 840
770
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.4
Embodied Energy, MJ/kg 62
33
Embodied Water, L/kg 120
110

Common Calculations

PREN (Pitting Resistance) 24
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
28
Strength to Weight: Bending, points 23 to 25
25
Thermal Diffusivity, mm2/s 6.3
6.6
Thermal Shock Resistance, points 26 to 29
29

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.050
Chromium (Cr), % 14 to 16.5
12 to 13.5
Iron (Fe), % 76.7 to 84.6
78.7 to 84.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
0 to 0.7
Nickel (Ni), % 0 to 0.5
3.5 to 5.0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.5
0