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EN 1.4740 Stainless Steel vs. S32906 Stainless Steel

Both EN 1.4740 stainless steel and S32906 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% 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 1.4740 stainless steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
28
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 18
13
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.3
3.7
Embodied Energy, MJ/kg 32
52
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 18
41
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.8
3.6

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 16 to 19
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 75.4 to 82.7
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.5
1.5 to 2.6
Nickel (Ni), % 0 to 1.0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
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 0.030