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S44800 Stainless Steel vs. SAE-AISI 1065 Steel

Both S44800 stainless steel and SAE-AISI 1065 steel are iron alloys. They have 65% of their average alloy composition in common. There are 32 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 S44800 stainless steel and the bottom bar is SAE-AISI 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11 to 14
Fatigue Strength, MPa 300
270 to 340
Poisson's Ratio 0.27
0.29
Reduction in Area, % 45
34 to 51
Shear Modulus, GPa 82
72
Shear Strength, MPa 370
430 to 470
Tensile Strength: Ultimate (UTS), MPa 590
710 to 780
Tensile Strength: Yield (Proof), MPa 450
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 480
490 to 820
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
25 to 28
Strength to Weight: Bending, points 20
23 to 24
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 19
25 to 27

Alloy Composition

Carbon (C), % 0 to 0.010
0.6 to 0.7
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
98.3 to 98.8
Manganese (Mn), % 0 to 0.3
0.6 to 0.9
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0 to 0.020
0 to 0.050