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EN 1.4123 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4123 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 27 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 720 to 810
880 to 930

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
13
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
3.7
Embodied Energy, MJ/kg 62
52
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 24
41
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
31 to 33
Strength to Weight: Bending, points 23 to 25
26 to 27
Thermal Diffusivity, mm2/s 6.3
3.5
Thermal Shock Resistance, points 26 to 29
23 to 25

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.030
Chromium (Cr), % 14 to 16.5
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 76.7 to 84.6
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 1.0 to 2.5
1.5 to 2.6
Nickel (Ni), % 0 to 0.5
5.8 to 7.5
Nitrogen (N), % 0.1 to 0.3
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.5
0