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AISI 304L Stainless Steel vs. SAE-AISI 1042 Steel

Both AISI 304L stainless steel and SAE-AISI 1042 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 304L stainless steel and the bottom bar is SAE-AISI 1042 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 350
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7 to 46
14 to 18
Fatigue Strength, MPa 170 to 430
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370 to 680
380 to 420
Tensile Strength: Ultimate (UTS), MPa 540 to 1160
620 to 700
Tensile Strength: Yield (Proof), MPa 190 to 870
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 540
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
52
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 16
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 240
87 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 1900
320 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 41
22 to 25
Strength to Weight: Bending, points 19 to 31
21 to 22
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 12 to 25
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.47
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 65 to 74
98.5 to 99
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 8.0 to 12
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050

Comparable Variants