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EN 1.4912 Stainless Steel vs. SAE-AISI L6 Steel

Both EN 1.4912 stainless steel and SAE-AISI L6 steel are iron alloys. They have 73% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4912 stainless steel and the bottom bar is SAE-AISI L6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 610
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
42
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
2.0
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 140
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
24 to 74
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 14
22 to 70

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.65 to 0.75
Chromium (Cr), % 17 to 19
0.6 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.6 to 73.6
93.6 to 97.3
Manganese (Mn), % 0 to 2.0
0.25 to 0.8
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 12
1.3 to 2.0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0 to 0.3