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EN 1.4123 Stainless Steel vs. S15500 Stainless Steel

Both EN 1.4123 stainless steel and S15500 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, 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 S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 720 to 810
890 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 840
820
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
17
Thermal Expansion, µm/m-K 10
11

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
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 62
39
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 24
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
32 to 53
Strength to Weight: Bending, points 23 to 25
26 to 37
Thermal Diffusivity, mm2/s 6.3
4.6
Thermal Shock Resistance, points 26 to 29
30 to 50

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.070
Chromium (Cr), % 14 to 16.5
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 76.7 to 84.6
71.9 to 79.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.5
0