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⁾

• Kurupayra 29,290 psi
• Massaranduba 29,200 psi
• Para Rosewood 27,600 psi
• Santos Mahogany 25,400 psi
• Ipe, Brazilian Walnut 25,400 psi
• Lapacho 25,360 psi
• Cumaru 24,800 psi
• Patagonian Rosewood 23,780 psi
• TigerWood 20,120 psi
• Brazilian Cherry 19,400 psi
• Angelim Pedra 18,255 psi
• Tarara, Canarywood 18,000 psi
• Kempas 17,700 psi
• Acacia 17,500 psi
• Tiete Rosewood 15,830 psi
• Birch 15,570 psi
• White Oak 15,200 psi
• Red Oak 14,300 psi
• Amendoim, Ybyraro 13,800 psi
• Douglas Fir 12,400 psi
• Cherry 12,330 psi
• Andiroba, Royal Mahogany 11,100 psi
• Maple 10,700 psi

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