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S44660 Stainless Steel vs. EN 1.4588 Stainless Steel

Both S44660 stainless steel and EN 1.4588 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S44660 stainless steel and the bottom bar is EN 1.4588 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 330
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 660
540
Tensile Strength: Yield (Proof), MPa 510
240

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 640
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 4.3
6.2
Embodied Energy, MJ/kg 61
84
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 38
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 640
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 25 to 28
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 60.4 to 71
41.2 to 50.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
6.0 to 7.0
Nickel (Ni), % 1.0 to 3.5
24 to 26
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.2 to 1.0
0