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AISI 201 Stainless Steel vs. SAE-AISI 1548 Steel

Both AISI 201 stainless steel and SAE-AISI 1548 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 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 AISI 201 stainless steel and the bottom bar is SAE-AISI 1548 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 440
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6 to 51
11 to 16
Fatigue Strength, MPa 280 to 600
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 450 to 840
440 to 500
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
730 to 830
Tensile Strength: Yield (Proof), MPa 300 to 1080
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 340
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
470 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 52
26 to 30
Strength to Weight: Bending, points 22 to 37
23 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14 to 32
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.15
0.44 to 0.52
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 67.5 to 75
98 to 98.5
Manganese (Mn), % 5.5 to 7.5
1.1 to 1.4
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050