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Grade 350 Maraging Steel vs. CAP

Grade 350 maraging steel and CAP belong to fundamentally different material chemistries. Grade 350 maraging steel is a metal, while CAP is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 9 material properties with values for both materials. Properties with values for just one material (30, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is CAP.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 8.2
1.2
Elongation at Break, % 4.1 to 18
35 to 50
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
9.1 to 22
Specific Heat Capacity, J/kg-K 450
1480
Strength to Weight: Axial, points 38 to 82
6.5 to 10
Strength to Weight: Bending, points 29 to 49
17 to 23
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
28 to 45
Tensile Strength: Yield (Proof), MPa 830 to 2300
22 to 40
Thermal Expansion, µm/m-K 12
14