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AISI 309 Stainless Steel vs. EN 1.4806 Stainless Steel

Both AISI 309 stainless steel and EN 1.4806 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 47
6.8
Fatigue Strength, MPa 250 to 280
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 600 to 710
470
Tensile Strength: Yield (Proof), MPa 260 to 350
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 440
400
Maximum Temperature: Mechanical, °C 980
1000
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
5.4
Embodied Energy, MJ/kg 51
76
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
27
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
16
Strength to Weight: Bending, points 20 to 23
17
Thermal Diffusivity, mm2/s 4.3
3.1
Thermal Shock Resistance, points 14 to 16
11

Alloy Composition

Carbon (C), % 0 to 0.2
0.3 to 0.5
Chromium (Cr), % 22 to 24
16 to 18
Iron (Fe), % 58 to 66
40.4 to 48.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 12 to 15
34 to 36
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030