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SAE-AISI 1005 Steel vs. AISI 440A Stainless Steel

Both SAE-AISI 1005 steel and AISI 440A stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 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 SAE-AISI 1005 steel and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
5.0 to 20
Fatigue Strength, MPa 190
270 to 790
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 210
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 330
730 to 1790
Tensile Strength: Yield (Proof), MPa 260
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
760
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
23
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
31
Embodied Water, L/kg 45
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
87 to 120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 12
26 to 65
Strength to Weight: Bending, points 13
23 to 43
Thermal Diffusivity, mm2/s 14
6.2
Thermal Shock Resistance, points 10
26 to 65

Alloy Composition

Carbon (C), % 0 to 0.060
0.6 to 0.75
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 99.5 to 100
78.4 to 83.4
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015