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S44635 Stainless Steel vs. AISI 440C Stainless Steel

Both S44635 stainless steel and AISI 440C stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 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 S44635 stainless steel and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
2.0 to 14
Fatigue Strength, MPa 390
260 to 840
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 450
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 710
710 to 1970
Tensile Strength: Yield (Proof), MPa 580
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 610
390
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.4
2.2
Embodied Energy, MJ/kg 62
31
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 39
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
39 to 88
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
26 to 71
Strength to Weight: Bending, points 23
23 to 46
Thermal Diffusivity, mm2/s 4.4
6.0
Thermal Shock Resistance, points 23
26 to 71

Alloy Composition

Carbon (C), % 0 to 0.025
1.0 to 1.2
Chromium (Cr), % 24.5 to 26
16 to 18
Iron (Fe), % 61.5 to 68.5
78 to 83.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.75
Nickel (Ni), % 3.5 to 4.5
0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 0.8
0