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EN 1.4806 Stainless Steel vs. AISI 303 Stainless Steel

Both EN 1.4806 stainless steel and AISI 303 stainless steel are iron alloys. They have 72% 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 EN 1.4806 stainless steel and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8
40 to 51
Fatigue Strength, MPa 120
230 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 470
600 to 690
Tensile Strength: Yield (Proof), MPa 250
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 1000
930
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.0
Embodied Energy, MJ/kg 76
42
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 18
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
240
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
21 to 25
Strength to Weight: Bending, points 17
20 to 22
Thermal Diffusivity, mm2/s 3.1
4.4
Thermal Shock Resistance, points 11
13 to 15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.15
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 40.4 to 48.7
67.3 to 74.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35