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EN 1.4729 Stainless Steel vs. S32654 Stainless Steel

Both EN 1.4729 stainless steel and S32654 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 56% 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 S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 15
45
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
82

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
34
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.1
6.4
Embodied Energy, MJ/kg 29
87
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 14
57
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
2.9

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.020
Chromium (Cr), % 12 to 14
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 80.4 to 86.7
38.3 to 45.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.5
7.0 to 8.0
Nickel (Ni), % 0 to 1.0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050