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ACI-ASTM CD3MCuN Steel vs. Grade 200 Maraging Steel

Both ACI-ASTM CD3MCuN steel and grade 200 maraging steel are iron alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MCuN steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
9.1 to 18
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 790
970 to 1500
Tensile Strength: Yield (Proof), MPa 500
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
31
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.9
4.5
Embodied Energy, MJ/kg 54
59
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 41
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1240 to 5740
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
33 to 51
Strength to Weight: Bending, points 24
27 to 35
Thermal Shock Resistance, points 22
29 to 45

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26.7
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 1.4 to 1.9
0
Iron (Fe), % 58.2 to 65.9
67.8 to 71.8
Manganese (Mn), % 0 to 1.2
0 to 0.1
Molybdenum (Mo), % 2.9 to 3.8
3.0 to 3.5
Nickel (Ni), % 5.6 to 6.7
17 to 19
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 1.1
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020