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EN 1.4806 Stainless Steel vs. SAE-AISI 1049 Steel

Both EN 1.4806 stainless steel and SAE-AISI 1049 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 1.4806 stainless steel and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8
11 to 17
Fatigue Strength, MPa 120
250 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 470
680 to 750
Tensile Strength: Yield (Proof), MPa 250
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 160
370 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
24 to 27
Strength to Weight: Bending, points 17
22 to 23
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 11
22 to 24

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.46 to 0.53
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 40.4 to 48.7
98.5 to 98.9
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 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 to 0.050