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ACI-ASTM CD3MCuN Steel vs. AISI 201LN Stainless Steel

Both ACI-ASTM CD3MCuN steel and AISI 201LN stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 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 ACI-ASTM CD3MCuN steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
25 to 51
Fatigue Strength, MPa 370
340 to 540
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 790
740 to 1060
Tensile Strength: Yield (Proof), MPa 500
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 54
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 41
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 620
310 to 1520
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27 to 38
Strength to Weight: Bending, points 24
24 to 30
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 22
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26.7
16 to 17.5
Copper (Cu), % 1.4 to 1.9
0 to 1.0
Iron (Fe), % 58.2 to 65.9
67.9 to 73.5
Manganese (Mn), % 0 to 1.2
6.4 to 7.5
Molybdenum (Mo), % 2.9 to 3.8
0
Nickel (Ni), % 5.6 to 6.7
4.0 to 5.0
Nitrogen (N), % 0.22 to 0.33
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.1
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015