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EN 1.4806 Stainless Steel vs. EN 1.4729 Stainless Steel

Both EN 1.4806 stainless steel and EN 1.4729 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8
15
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 400
390
Maximum Temperature: Mechanical, °C 1000
850
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
24
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.5
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 5.4
2.1
Embodied Energy, MJ/kg 76
29
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 18
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 3.1
6.5

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.3 to 0.5
Chromium (Cr), % 16 to 18
12 to 14
Iron (Fe), % 40.4 to 48.7
80.4 to 86.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 34 to 36
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030