Chapter 5 Mechanical Properties of Wood Table 5–5a. Mechanical properties of some woods imported into the United States other than Canadian imports (metric)a—con. Static bending
Common and botanical names of species Llomba (Pycnanthus angolensis) Ipe (Tabebuia spp., lapacho group) Iroko (Chlorophora spp.) Jarrah (Eucalyptus marginata) Jelutong (Dyera costulata) Kaneelhart (Licaria spp.) Kapur (Dryobalanops spp.) Karri (Eucalyptus diversicolor) Kempas (Koompassia malaccensis) Keruing (Dipterocarpus spp.) Lignumvitae (Guaiacum spp.) Limba (Terminalia superba) Macawood (Platymiscium spp.) Mahogany, African (Khaya spp.) Mahogany, true (Swietenia macrophylla) Manbarklak (Eschweilera spp.) Manni (Symphonia globulifera) Marishballi (Lincania spp.) Merbau (Intsia spp.) Mersawa (Anisoptera spp.) Mora (Mora spp.) Oak (Quercus spp.) Obeche (Triplochiton scleroxylon)
Modulus Modulus of of Moisture Specific rupture elasticity content gravity (kPa) (MPa) Green 0.40 37,900 7,900 12% 68,300 11,000 Green 0.92 155,800 20,100 12% 175,100 21,600 Green 0.54 70,300 8,900 12% 85,500 10,100 Green 0.67 68,300 10,200 12% — 111,700 13,000 Green 0.36 38,600 8,000 15% 50,300 8,100 Green 0.96 153,800 26,300 12% 206,200 28,000 Green 0.64 88,300 11,000 12% 126,200 13,000 Green 0.82 77,200 13,400 12% 139,000 17,900 Green 0.71 100,000 16,600 12% 122,000 18,500 Green 0.69 82,000 11,800 12% 137,200 14,300 Green 1.05 — — 12% — — — Green 0.38 41,400 5,300 12% 60,700 7,000 Green 0.94 153,800 20,800 12% 190,300 22,100 Green 0.42 51,000 7,900 12% 73,800 9,700 Green 0.45 62,100 9,200 12% — 79,300 10,300 Green 0.87 117,900 18,600 12% 182,700 21,600 Green 0.58 77,200 13,500 12% 116,500 17,000 Green 0.88 117,900 20,200 12% 191,000 23,000 Green 0.64 88,900 13,900 15% — 115,800 15,400 Green 0.52 55,200 12,200 12% 95,100 15,700 Green 0.78 86,900 16,100 12% 152,400 20,400 Green 0.76 — — 12% 158,600 20,800 Green 0.3 35,200 5,000 12% 51,000 5,900
ComWork to pression maximum parallel load to grain (kJ m–3) (kPa) — 20,000 — 38,300 190 71,400 152 89,700 72 33,900 62 52,300 — 35,800 — 61,200 39 21,000 44 27,000 94 92,300 121 120,000 108 42,900 130 69,600 80 37,600 175 74,500 84 54,700 106 65,600 96 39,200 162 72,400 — — — 78,600 53 19,200 61 32,600 — 72,700 — 111,000 49 25,700 57 44,500 63 29,900 52 46,700 120 50,600 230 77,300 77 35,600 114 60,800 92 52,300 98 92,300 88 46,700 102 58,200 — 27,300 — 50,800 93 44,100 128 81,600 — — 114 — 43 17,700 48 27,100
Shear parallel to grain (kPa) 5,800 8,900 14,600 14,200 9,000 12,400 9,100 14,700 5,200 5,800 11,600 13,600 8,100 13,700 10,400 16,700 10,100 12,300 8,100 14,300 — — 6,100 9,700 12,700 17,500 6,400 10,300 8,500 8,500 11,200 14,300 7,900 9,800 11,200 12,100 10,800 12,500 5,100 6,100 9,700 13,100 — — 4,600 6,800
Side hardness (N) 2,100 2,700 13,600 16,400 4,800 5,600 5,700 8,500 1,500 1,700 9,800 12,900 4,400 5,500 6,000 9,100 6,600 7,600 4,700 5,600 — 20,000 1,800 2,200 14,800 14,000 2,800 3,700 3,300 3,600 10,100 15,500 4,200 5,000 10,000 15,900 6,100 6,700 3,900 5,700 6,400 10,200 — 11,100 1,900 1,900
Sample originb AF AM AF AS AS AM AS AS AS AS AM AF AM AF AM AM AM AM AS AS AM AM AF
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