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EN 1.4123 Stainless Steel vs. S38815 Stainless Steel

Both EN 1.4123 stainless steel and S38815 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 720 to 810
610

Thermal Properties

Latent Heat of Fusion, J/g 280
370
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 840
860
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 4.2
3.8
Embodied Energy, MJ/kg 62
54
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 24
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 23 to 25
21
Thermal Shock Resistance, points 26 to 29
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.35 to 0.5
0 to 0.030
Chromium (Cr), % 14 to 16.5
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 76.7 to 84.6
56.1 to 67
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.5
0.75 to 1.5
Nickel (Ni), % 0 to 0.5
13 to 17
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 1.5
0