{"id":41356,"date":"2024-09-04T12:49:20","date_gmt":"2024-09-04T10:49:20","guid":{"rendered":"http:\/\/dfa9b8b2-017e-4e36-85f9-f09a933ae3fb"},"modified":"2024-09-04T13:27:26","modified_gmt":"2024-09-04T11:27:26","slug":"is-spider-silk-pound-for-pound-as-strong-as-steel","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcwildlife\/rss_feed\/is-spider-silk-pound-for-pound-as-strong-as-steel\/","title":{"rendered":"Is spider silk – pound for pound – as strong as steel?"},"content":{"rendered":"

Just how strong is spider silk? Richard Jones takes a look <\/p>

By <\/p>

Published: Wednesday, 04 September 2024 at 10:49 AM<\/p>

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The usual measure for non-brittle substances is tensile strength, which is the pulling force that can be applied before something snaps. It is expressed in pascals (Pa, a force of 1 newton per square metre of cross section). <\/strong><\/p>

How strong is spider silk?<\/h2>
Spider’s silk has a tensile strength of about 1,200 megapascals. <\/p>
What’s the difference between spider silk and caterpillar silk?<\/a><\/li>
14 incredible spider facts you probably didn’t know<\/a><\/li>
What’s the strongest material produced by animals?<\/a><\/li><\/ul>
This is remarkable for a natural product and compares very well to structural steel (400 MPa) and even high-strength alloys (760 MPal, but specially prepared steel wires go to more than 2,200 MPa. <\/p>
Spider’s silk is, however, much more elastic than steel, stretching to nearly twice its length before breaking.<\/p> <\/body><\/html>\n
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