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AISI 316N Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both AISI 316N stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 89% 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 AISI 316N stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
29
Fatigue Strength, MPa 230 to 450
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
790
Tensile Strength: Yield (Proof), MPa 270 to 870
500

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
22
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
4.2
Embodied Energy, MJ/kg 53
58
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 27
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
200
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
28
Strength to Weight: Bending, points 20 to 31
24
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 14 to 26
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 61.9 to 71.9
56.6 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
3.0 to 4.0
Nickel (Ni), % 10 to 14
6.5 to 8.5
Nitrogen (N), % 0.1 to 0.16
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0