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EN 1.4659 Stainless Steel vs. S44660 Stainless Steel

Both EN 1.4659 stainless steel and S44660 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
210
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 49
20
Fatigue Strength, MPa 460
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
81
Shear Strength, MPa 640
410
Tensile Strength: Ultimate (UTS), MPa 900
660
Tensile Strength: Yield (Proof), MPa 480
510

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
640
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 37
21
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.5
4.3
Embodied Energy, MJ/kg 89
61
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 54
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
120
Resilience: Unit (Modulus of Resilience), kJ/m3 550
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 3.2
4.5
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 23 to 25
25 to 28
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
60.4 to 71
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 5.5 to 6.5
3.0 to 4.0
Nickel (Ni), % 21 to 23
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.35 to 0.5
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0
Tungsten (W), % 1.5 to 2.5
0