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EN 1.4740 Stainless Steel vs. S44735 Stainless Steel

Both EN 1.4740 stainless steel and S44735 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, 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 S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
21
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 410
650
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
21
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.3
4.4
Embodied Energy, MJ/kg 32
61
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 18
42
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 16 to 19
28 to 30
Iron (Fe), % 75.4 to 82.7
60.7 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.6 to 4.2
Nickel (Ni), % 0 to 1.0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
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 1.0