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EN 1.4123 Stainless Steel vs. EN 1.4845 Stainless Steel

Both EN 1.4123 stainless steel and EN 1.4845 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 720 to 810
600

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 840
1050
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
4.3
Embodied Energy, MJ/kg 62
61
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 24
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
21
Strength to Weight: Bending, points 23 to 25
20
Thermal Diffusivity, mm2/s 6.3
4.0
Thermal Shock Resistance, points 26 to 29
14

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.1
Chromium (Cr), % 14 to 16.5
24 to 26
Iron (Fe), % 76.7 to 84.6
48.2 to 57
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
19 to 22
Nitrogen (N), % 0.1 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.5
0