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EN 1.4618 Stainless Steel vs. EN 1.4806 Stainless Steel

Both EN 1.4618 stainless steel and EN 1.4806 stainless steel are iron alloys. They have 68% 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 1.4618 stainless steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
6.8
Fatigue Strength, MPa 240 to 250
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 680 to 700
470
Tensile Strength: Yield (Proof), MPa 250 to 260
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.4
Embodied Energy, MJ/kg 39
76
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
27
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 25
16
Strength to Weight: Bending, points 22 to 23
17
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 15 to 16
11

Alloy Composition

Carbon (C), % 0 to 0.1
0.3 to 0.5
Chromium (Cr), % 16.5 to 18.5
16 to 18
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
40.4 to 48.7
Manganese (Mn), % 5.5 to 9.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.5 to 5.5
34 to 36
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030