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EN 1.4740 Stainless Steel vs. S35500 Stainless Steel

Both EN 1.4740 stainless steel and S35500 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
14
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 900
870
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 18
16
Thermal Expansion, µm/m-K 10
11

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
16
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.3
3.5
Embodied Energy, MJ/kg 32
47
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 18
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 4.8
4.4

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.1 to 0.15
Chromium (Cr), % 16 to 19
15 to 16
Iron (Fe), % 75.4 to 82.7
73.2 to 77.7
Manganese (Mn), % 0 to 1.0
0.5 to 1.3
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.2
Nickel (Ni), % 0 to 1.0
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030