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SAE-AISI 1084 Steel vs. EN 1.4806 Stainless Steel

Both SAE-AISI 1084 steel and EN 1.4806 stainless 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 SAE-AISI 1084 steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
6.8
Fatigue Strength, MPa 320 to 370
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 780 to 930
470
Tensile Strength: Yield (Proof), MPa 510 to 600
250

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
76
Embodied Water, L/kg 46
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 89
27
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 960
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 33
16
Strength to Weight: Bending, points 24 to 27
17
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 25 to 30
11

Alloy Composition

Carbon (C), % 0.8 to 0.93
0.3 to 0.5
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 98.1 to 98.6
40.4 to 48.7
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
34 to 36
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0 to 0.050
0 to 0.030