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AISI 444 Stainless Steel vs. SAE-AISI 1065 Steel

Both AISI 444 stainless steel and SAE-AISI 1065 steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 444 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 200
190
Elongation at Break, % 23
11 to 14
Fatigue Strength, MPa 210
270 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 300
430 to 470
Tensile Strength: Ultimate (UTS), MPa 470
710 to 780
Tensile Strength: Yield (Proof), MPa 310
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
51
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 240
490 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
25 to 28
Strength to Weight: Bending, points 17
23 to 24
Thermal Diffusivity, mm2/s 6.2
14
Thermal Shock Resistance, points 16
25 to 27

Alloy Composition

Carbon (C), % 0 to 0.025
0.6 to 0.7
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 73.3 to 80.8
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 0 to 1.0
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 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0.2 to 0.8
0