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N08800 Stainless Steel vs. ACI-ASTM CD4MCuN Steel

Both N08800 stainless steel and ACI-ASTM CD4MCuN steel are iron alloys. They have 73% 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 N08800 stainless steel and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5 to 34
18
Fatigue Strength, MPa 150 to 390
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
770
Tensile Strength: Yield (Proof), MPa 190 to 830
550

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 490
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.5
Embodied Energy, MJ/kg 76
49
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 21
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 35
28
Strength to Weight: Bending, points 18 to 28
24
Thermal Diffusivity, mm2/s 3.0
4.5
Thermal Shock Resistance, points 13 to 25
21

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 19 to 23
24.5 to 26.5
Copper (Cu), % 0 to 0.75
2.7 to 3.3
Iron (Fe), % 39.5 to 50.7
59.5 to 66.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
1.7 to 2.3
Nickel (Ni), % 30 to 35
4.7 to 6.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.15 to 0.6
0