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EN 1.4857 Stainless Steel vs. SAE-AISI 1146 Steel

Both EN 1.4857 stainless steel and SAE-AISI 1146 steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4857 stainless steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
13 to 17
Fatigue Strength, MPa 120
240 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 500
670 to 730
Tensile Strength: Yield (Proof), MPa 250
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 480
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 2.0
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.4
Embodied Energy, MJ/kg 81
18
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 150
340 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
24 to 26
Strength to Weight: Bending, points 18
22 to 23
Thermal Diffusivity, mm2/s 3.4
14
Thermal Shock Resistance, points 11
20 to 22

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.42 to 0.49
Chromium (Cr), % 24 to 27
0
Iron (Fe), % 31.4 to 41.7
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), % 33 to 36
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13