Modulus of Rupture (MOR) Strength Ratings for Various Species of Wood (psi)

The modulus of rupture reflects the maximum loadcarrying capacity of the species in bending strength and is proportional to the maximum strength or breaking point as borne by the specimen. (1)

  • Tatajuba 32,270 psi
  • Massaranduba 29,200 psi
  • Ipe 25,400 psi
  • Cumaru 24,800 psi
  • Purpleheart 21,300 psi
  • TigerWood 20,120 psi
  • Apitong, Keruing 19,900 psi
  • Greenheart 19,550 psi
  • Brazilian Cherry 19,400 psi
  • Angelim Pedra, Brazilian Apitong 18,255 psi
  • Garapa 18,100 psi
  • Dark Red Meranti 17,600 psi
  • White Oak 15,200 psi
  • Red Oak 14,300 psi
  • Cambara 12,800 psi
  • Douglas Fir 12,400 psi
  • Western Red Cedar 7,500 psi
  • Bintangor 0 psi

(1) The Wood Handbook - Wood as an engineering material, USDA, General Technical Report 113.