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EN 1.4729 Stainless Steel vs. S43932 Stainless Steel

Both EN 1.4729 stainless steel and S43932 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4729 stainless steel and the bottom bar is S43932 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15
25
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 390
570
Maximum Temperature: Mechanical, °C 850
890
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 24
23
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
12
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 29
40
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 14
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
6.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 12 to 14
17 to 19
Iron (Fe), % 80.4 to 86.7
76.7 to 83
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.5
Niobium (Nb), % 0
0.2 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.75