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EN 1.4740 Stainless Steel vs. S45500 Stainless Steel

Both EN 1.4740 stainless steel and S45500 stainless steel are iron alloys. They have 88% 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 S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
3.4 to 11
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 900
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.3
3.8
Embodied Energy, MJ/kg 32
57
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 18
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.050
Chromium (Cr), % 16 to 19
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 75.4 to 82.7
71.5 to 79.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
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
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4