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S44536 Stainless Steel vs. S44660 Stainless Steel

Both S44536 stainless steel and S44660 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is S44536 stainless steel and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
20
Fatigue Strength, MPa 190
330
Poisson's Ratio 0.27
0.27
Rockwell B Hardness 79
88
Shear Modulus, GPa 78
81
Shear Strength, MPa 290
410
Tensile Strength: Ultimate (UTS), MPa 460
660
Tensile Strength: Yield (Proof), MPa 280
510

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 560
640
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
21
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 41
61
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 22
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 5.6
4.5
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 20 to 23
25 to 28
Iron (Fe), % 72.8 to 80
60.4 to 71
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
1.0 to 3.5
Niobium (Nb), % 0.050 to 0.8
0.2 to 1.0
Nitrogen (N), % 0 to 0.015
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.8
0.2 to 1.0