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AISI 301 Stainless Steel vs. SAE-AISI 1039 Steel

Both AISI 301 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 75% 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 301 stainless steel and the bottom bar is SAE-AISI 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.4 to 46
14 to 18
Fatigue Strength, MPa 210 to 600
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 410 to 860
380 to 420
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
610 to 690
Tensile Strength: Yield (Proof), MPa 230 to 1080
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 52
22 to 24
Strength to Weight: Bending, points 20 to 37
20 to 22
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 12 to 31
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.15
0.37 to 0.44
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.7 to 78
98.5 to 98.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050