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EN 1.3551 Steel vs. S45500 Stainless Steel

Both EN 1.3551 steel and S45500 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 720
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 530
760
Melting Completion (Liquidus), °C 1490
1440
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
17
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.9
3.8
Embodied Energy, MJ/kg 71
57
Embodied Water, L/kg 82
120

Common Calculations

PREN (Pitting Resistance) 18
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
48 to 65
Strength to Weight: Bending, points 23
35 to 42
Thermal Shock Resistance, points 21
48 to 64

Alloy Composition

Carbon (C), % 0.77 to 0.85
0 to 0.050
Chromium (Cr), % 3.9 to 4.3
11 to 12.5
Copper (Cu), % 0 to 0.3
1.5 to 2.5
Iron (Fe), % 88.8 to 91.1
71.5 to 79.2
Manganese (Mn), % 0.15 to 0.35
0 to 0.5
Molybdenum (Mo), % 4.0 to 4.5
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0