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AISI 316 Stainless Steel vs. ACI-ASTM CD3MCuN Steel

Both AISI 316 stainless steel and ACI-ASTM CD3MCuN 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 (5, in this case) are not shown.

For each property being compared, the top bar is AISI 316 stainless steel and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 8.0 to 55
29
Fatigue Strength, MPa 210 to 430
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
790
Tensile Strength: Yield (Proof), MPa 230 to 850
500

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
3.9
Embodied Energy, MJ/kg 53
54
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 26
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
200
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 41
28
Strength to Weight: Bending, points 18 to 31
24
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 11 to 26
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26.7
Copper (Cu), % 0
1.4 to 1.9
Iron (Fe), % 62 to 72
58.2 to 65.9
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 2.0 to 3.0
2.9 to 3.8
Nickel (Ni), % 10 to 14
5.6 to 6.7
Nitrogen (N), % 0 to 0.1
0.22 to 0.33
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.1
Sulfur (S), % 0 to 0.030
0 to 0.030