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Biomechanical properties of spider major ampullate  silk collected from web radii, ranked from toughest to least tough
Genus | species | Stiffness (Gpa) | Strength (Mpa) | Exstensibility (ln(mm/mm) | Toughness (MJ/m3) | Guild | Source
[NAME] | [NAME] | 5.5 | 1110 | 0.21 | 102 | Orb | [NAME]. 2010
Neoscona | arabesca | 7 | 1481 | 0.25 | 152 | Orb | [NAME]. 2010
Cyclosa | conica | 6.4 | 1210 | 0.31 | 154 | Orb | [NAME]. 2010
Neoscona | crucifera | 3.4 | 1483 | 0.3 | 154 | Orb | [NAME]. 2010
Neoscona | domiciliorum | 3.9 | 1469 | 0.31 | 160 | Orb | [NAME]. 2010
Tetragnatha | versicolor | 5.2 | 1674 | 0.26 | 161 | Orb | [NAME]. 2010
Leucauge | [NAME] | 5.6 | 1456 | 0.28 | 162 | Orb | [NAME]. 2010
Argiope | trifasciata | 5.2 | 1584 | 0.29 | 163 | Orb | [NAME]. 2010
Eustala | sp. | 8.2 | 1617 | 0.23 | 166 | Orb | [NAME]. 2010
[NAME] | x-notata | 8.6 | 1424 | 0.28 | 170 | Orb | [NAME]. 2010
Araneus | marmoreus | 6 | 1556 | 0.32 | 176 | Orb | [NAME]. 2010
Argiope | aurantia | 5.6 | 1702 | 0.29 | 180 | Orb | [NAME]. 2010
[NAME] | labyrinthea | 9.7 | 1682 | 0.24 | 180 | Orb | [NAME]. 2010
[NAME] | [NAME] | 3.2 | 1401 | 0.39 | 181 | Orb | [NAME]. 2010
Araneus | diadematus | 3.6 | 1599 | 0.33 | 193 | Orb | [NAME]. 2010
Araneus | trifolium | 5 | 1722 | 0.31 | 193 | Orb | [NAME]. 2010
Nuctenea | umbratica | 7.4 | 1778 | 0.3 | 196 | Orb | [NAME]. 2010
Larinioides | cornutus | 7.7 | 1760 | 0.27 | 197 | Orb | [NAME]. 2010
Nephila | clavipes | 8.4 | 1725 | 0.28 | 206 | Orb | [NAME]. 2010
Verrucosa | arenata | 7.6 | 1842 | 0.31 | 228 | Orb | [NAME]. 2010
Gasteracantha | cancriformis | 5.2 | 1929 | 0.4 | 254 | Orb | [NAME]. 2010
Average
[NAME] | darwini | 11.5 | 1850 | 0.33 | 271 | Orb | This study
Biomechanical properties of some other natural fibers, and of some high performance man made fibers
Source | Fiber
Bovine ligament | [NAME] | 0.001 | 2 | 1.5 | 1.6 |  | Gosline e tal. 2004
Dragonfly tendon | resilin | 0.002 | 3 | 1.9 | 4 |  | Gosline e tal. 2004
cells and connective tissue | Fibronectin | <0.001 | 8 | 8.5 |  |  | Klotzsch et al. 2009
Bird | muscle | 0.7 | 53 | 0.19 |  |  | [NAME] et al. 2009
Mammal | bone | 20 | 160 | 0.03 | 4 |  | Gosline et al. 1999
Mammal tendon | [NAME] | 1.2 | 120 | 0.13 | 6 |  | Gosline e tal. 2004
Embioptera | silk | 2 | 129 | 0.08 | 8 |  | Collin et al. 2009 | Approximate values estimated from graph, average of poorest performing silk among 6 taxa tested
Embioptera | silk | 5.5 | 169 | 0.38 | 17 |  | Collin et al. 2009 | Approximate values estimated from graph, average of best performing silk among 6 taxa tested
Mussel | byssus | 0.87 | 75 | 1.1 | 45 |  | Gosline e tal. 2004
Mammal | wool | 0.5 | 200 | 0.05 | 60 |  | Gosline et al. 1999
Bomyx mori | silk |  | 600 | 0.18 | 70 |  | [NAME]. 2007
Spider | viscid silk | 0.003 | 500 | 2.7 | 150 |  | Gosline e tal. 2004
Man made | high-tensile steel | 200 | 1500 | 0.01 | 6 |  | Gosline e tal. 2004
Man made | carbon fibre | 300 | 4000 | 0.01 | 25 |  | Gosline e tal. 2004
Man made | Kevlar | 130 | 3600 | 0.03 | 50 |  | Gosline e tal. 2004
Enhanced silk | Metal infuses spider silk | 88 | 4600 | 0.71 | 1493 |  | [NAME]. 2009 | Maximal values among several treatement methods