Typical Tensile Strength

This article includes a list of references, but its sources remain unclear because it lacks inline citations. Some typical tensile strengths of some materials:

• Note: Multiwalled carbon nanotubes have the highest tensile strength of any material yet measured, with labs producing them at a tensile strength of 63 GPa, still well below their theoretical limit of 300 GPa. The first nanotube ropes (20 mm long) whose tensile strength was published (in 2000) had a strength of 3.6 GPa, still well below their theoretical limit.[5]
• Note: many of the values depend on manufacturing process and purity/composition.
• Note: human hair strength varies by ethnicity and chemical treatments.
• Note on spider silk strength: The strength of spider silk is highly variable. It depends on many factors including type of silk (every spider can produce several different types for different purposes), the particular species, the age of the silk, the temperature, the humidity, the rate that the stress is applied at during testing, the length of time the stress is applied and the way the silk is collected (forced silking or natural spinning)[6]. The value shown in the table, 1000Mpa, is roughly representative of the results from a few studies involving several different species of spider however specific results varied greatly.[7]

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