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EN 1.4618 Stainless Steel vs. S45500 Stainless Steel

Both EN 1.4618 stainless steel and S45500 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
3.4 to 11
Fatigue Strength, MPa 240 to 250
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 480 to 500
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 680 to 700
1370 to 1850
Tensile Strength: Yield (Proof), MPa 250 to 260
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 900
760
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
17
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 39
57
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 19
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 25
48 to 65
Strength to Weight: Bending, points 22 to 23
35 to 42
Thermal Shock Resistance, points 15 to 16
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 16.5 to 18.5
11 to 12.5
Copper (Cu), % 1.0 to 2.5
1.5 to 2.5
Iron (Fe), % 62.7 to 72.5
71.5 to 79.2
Manganese (Mn), % 5.5 to 9.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.5 to 5.5
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4