| 当前：Globalsource首页 > 世界买家资料频道 > |
伊朗求购枕木 |
|
伊朗求购枕木 "Buy Wooden Sleeper American red oak, bug oak, holm oak, mose capped oak, larch and any Russian red wood. - Sectional dimension of sleepers shall be 2600*250*150mm 1. min density in 12% moisture: 0. 63~0. 58 gr / cm3 2. stiffness coefficient of the woo between 3 and 4 Compressive strength parallel to fibers / bending strength = wood stiffness Coefficients moisture: 12% Note: As for foreign wood species tests for determining density in 12% moisture and also determining stiffness coefficient of hardwood and its strength is obligatory. 3. composition coefficient of C. S. I.: 78 Wood strength against 12% moisture Lumber strength against 12% moisture C. S. I. = (S 10H) / 20 Min tensile strength of the wood in testing sleeper screw: 50000 daN Bending strength parallel to fiber: 780~2460 KG / cm2 Tensile strength parallel to fiber: 1200~1350 KG / cm2 Percent of (mixed) stretching: In axial direction 0. 3-0. 5 In radius direction 5-7: 4 In tangential direction 8. 3-11. 8 In volume direction 15-23 Standards of UIC codes 863 & 863-1. company:Nassam Co address:No. 131-Pasdaran St., Tehran, Pasdaran, Iran (Islamic Republic of) tel:98-21-22594998 fax:98-21-22554582 cellphone:00989123180510 contact:Mr. Mohsen Zare zipcode:16666131 website:http://www.nassamco.com E-mail:IRUSCO[at]NEDA.NET |