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Engineering Materials Comparison: Density, Strength & Stiffness

Last updated: 2026-08-13 · Source: MADES AI manufacturing database

ABS, Aluminium 6061, Polycarbonate, POM and Polypropylene differ significantly in density, strength and stiffness — Aluminium 6061 offers the highest strength-to-weight, while ABS and PP are light, low-cost thermoplastics.

How do common engineering materials compare?

MaterialDensity (g/cm³)Yield (MPa)Modulus (GPa)
ABS1.04432.3
Aluminium 6061-T62.727668.9
Polycarbonate1.2622.4
Acetal POM1.41703.1
Polypropylene0.905331.5

Use this baseline for concept selection. For a specific application, ask MADES AI to score and recommend materials against your requirements.

Frequently Asked Questions

What is the strongest engineering plastic?

Among common thermoplastics, POM and Polycarbonate offer high stiffness; for maximum strength-to-weight, aluminium alloys like 6061-T6 outperform plastics.

Which plastic is best for my application?

MADES AI scores materials against your requirements (weight, stiffness, cost) and returns a ranked recommendation.