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EN 1.4123 Stainless Steel vs. S44537 Stainless Steel

Both EN 1.4123 stainless steel and S44537 stainless steel are iron alloys. They have a moderately high 90% 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 S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 720 to 810
510

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
530
Maximum Temperature: Mechanical, °C 840
1000
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
21
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 62
50
Embodied Water, L/kg 120
140

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
18
Strength to Weight: Bending, points 23 to 25
18
Thermal Diffusivity, mm2/s 6.3
5.6
Thermal Shock Resistance, points 26 to 29
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.35 to 0.5
0 to 0.030
Chromium (Cr), % 14 to 16.5
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 76.7 to 84.6
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.1 to 0.3
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0
Vanadium (V), % 0 to 1.5
0