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AISI 201LN Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both AISI 201LN stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
11
Fatigue Strength, MPa 340 to 540
470
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
1080
Tensile Strength: Yield (Proof), MPa 350 to 770
870

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 880
740
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
38
Strength to Weight: Bending, points 24 to 30
30
Thermal Diffusivity, mm2/s 4.0
6.6
Thermal Shock Resistance, points 16 to 23
40

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.28
Chromium (Cr), % 16 to 17.5
11 to 12.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
81.4 to 85.8
Manganese (Mn), % 6.4 to 7.5
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 4.0 to 5.0
0.5 to 1.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3