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AISI 201LN Stainless Steel vs. ACI-ASTM CB6 Steel

Both AISI 201LN stainless steel and ACI-ASTM CB6 steel are iron alloys. They have a moderately high 93% 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 201LN stainless steel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
18
Fatigue Strength, MPa 340 to 540
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
880
Tensile Strength: Yield (Proof), MPa 350 to 770
660

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.5
Embodied Energy, MJ/kg 38
36
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
150
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
32
Strength to Weight: Bending, points 24 to 30
26
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 16 to 23
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 16 to 17.5
15.5 to 17.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
74.4 to 81
Manganese (Mn), % 6.4 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.0 to 5.0
3.5 to 5.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030