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S44660 Stainless Steel vs. EN 1.4374 Stainless Steel

Both S44660 stainless steel and EN 1.4374 stainless steel are iron alloys. They have 87% 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 S44660 stainless steel and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
230
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
40
Fatigue Strength, MPa 330
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 410
550
Tensile Strength: Ultimate (UTS), MPa 660
800
Tensile Strength: Yield (Proof), MPa 510
400

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 640
410
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.9
Embodied Energy, MJ/kg 61
42
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 38
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 640
400
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 4.5
4.0
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.1
Chromium (Cr), % 25 to 28
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 60.4 to 71
63.5 to 67.9
Manganese (Mn), % 0 to 1.0
9.0 to 10
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.5
Nickel (Ni), % 1.0 to 3.5
5.0 to 6.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.25 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0