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EN 1.4806 Stainless Steel vs. EN 1.4558 Stainless Steel

Both EN 1.4806 stainless steel and EN 1.4558 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 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 EN 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8
39
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 470
510
Tensile Strength: Yield (Proof), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 400
480
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 5.4
5.5
Embodied Energy, MJ/kg 76
77
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 18
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
160
Resilience: Unit (Modulus of Resilience), kJ/m3 160
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.1
3.1
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 16 to 18
20 to 23
Iron (Fe), % 40.4 to 48.7
39.2 to 47.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
32 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.6