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EN 1.4123 Stainless Steel vs. SAE-AISI 6150 Steel

Both EN 1.4123 stainless steel and SAE-AISI 6150 steel are iron alloys. They have 83% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720 to 810
630 to 1200

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
46
Thermal Expansion, µm/m-K 10
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.0
Embodied Energy, MJ/kg 62
28
Embodied Water, L/kg 120
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 29
22 to 43
Strength to Weight: Bending, points 23 to 25
21 to 32
Thermal Diffusivity, mm2/s 6.3
13
Thermal Shock Resistance, points 26 to 29
20 to 38

Alloy Composition

Carbon (C), % 0.35 to 0.5
0.48 to 0.53
Chromium (Cr), % 14 to 16.5
0.8 to 1.1
Iron (Fe), % 76.7 to 84.6
96.7 to 97.7
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 1.5
0.15 to 0.3

Comparable Variants