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EN 1.4806 Stainless Steel vs. AISI 309H Stainless Steel

Both EN 1.4806 stainless steel and AISI 309H 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 (3, 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 AISI 309H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8
40
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 470
580
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 400
440
Maximum Temperature: Mechanical, °C 1000
1080
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 18
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
190
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.040 to 0.1
Chromium (Cr), % 16 to 18
22 to 24
Iron (Fe), % 40.4 to 48.7
58.1 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
12 to 15
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.0 to 2.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030