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S44635 Stainless Steel vs. EN 1.4659 Stainless Steel

Both S44635 stainless steel and EN 1.4659 stainless steel are iron alloys. They have 74% 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 S44635 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
260
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
49
Fatigue Strength, MPa 390
460
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
81
Shear Strength, MPa 450
640
Tensile Strength: Ultimate (UTS), MPa 710
900
Tensile Strength: Yield (Proof), MPa 580
480

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 610
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 22
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.4
6.5
Embodied Energy, MJ/kg 62
89
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 39
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
370
Resilience: Unit (Modulus of Resilience), kJ/m3 810
550
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.4
3.2
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.020
Chromium (Cr), % 24.5 to 26
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 61.5 to 68.5
35.7 to 45.7
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 3.5 to 4.5
5.5 to 6.5
Nickel (Ni), % 3.5 to 4.5
21 to 23
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.2 to 0.8
0
Tungsten (W), % 0
1.5 to 2.5