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EN 1.4859 Stainless Steel vs. SAE-AISI 1146 Steel

Both EN 1.4859 stainless steel and SAE-AISI 1146 steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4859 stainless steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
13 to 17
Fatigue Strength, MPa 140
240 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 490
670 to 730
Tensile Strength: Yield (Proof), MPa 210
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1050
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.4
Embodied Energy, MJ/kg 88
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 110
340 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
24 to 26
Strength to Weight: Bending, points 17
22 to 23
Thermal Diffusivity, mm2/s 3.4
14
Thermal Shock Resistance, points 11
20 to 22

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.42 to 0.49
Chromium (Cr), % 19 to 21
0
Iron (Fe), % 40.3 to 49
98.3 to 98.8
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13