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Grade 350 Maraging Steel vs. ACI-ASTM CD3MCuN Steel

Both grade 350 maraging steel and ACI-ASTM CD3MCuN steel are iron alloys. They have 72% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is ACI-ASTM CD3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
29
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
790
Tensile Strength: Yield (Proof), MPa 830 to 2300
500

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
20
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.9
Embodied Energy, MJ/kg 74
54
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 16
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
200
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
28
Strength to Weight: Bending, points 29 to 49
24
Thermal Shock Resistance, points 35 to 74
22

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
24 to 26.7
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
1.4 to 1.9
Iron (Fe), % 61.2 to 64.6
58.2 to 65.9
Manganese (Mn), % 0 to 0.1
0 to 1.2
Molybdenum (Mo), % 4.6 to 5.2
2.9 to 3.8
Nickel (Ni), % 18 to 19
5.6 to 6.7
Nitrogen (N), % 0
0.22 to 0.33
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.1
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0