Mu nyengo zosiyanasiyana, njira zodzitetezera ku kuphulika kwa chitsulo ndi corrugated culvert sizili zofanana, nyengo yozizira ndi chilimwe, kutentha kwambiri ndi kutentha kochepa, malo ndi osiyana, njira zomangira zimakhala zosiyana. 1. Kutentha kwambiri kwa corrugated culver...
Ubwino wa chubu cha sikweya Mphamvu yopondereza kwambiri, mphamvu yopindika bwino, mphamvu yozungulira kwambiri, kukhazikika bwino kwa kukula kwa gawo. Kuwotcherera, kulumikizana, kukonza kosavuta, kusungunuka bwino, kupindika kozizira, magwiridwe antchito ozizira. Malo akuluakulu pamwamba, chitsulo chochepa pa unit su ...
Chitsulo cha kaboni, chomwe chimadziwikanso kuti chitsulo cha kaboni, chimatanthauza zitsulo ndi ma alloys a kaboni omwe ali ndi kaboni wochepera 2%, chitsulo cha kaboni kuphatikiza kaboni nthawi zambiri chimakhala ndi silicon, manganese, sulfure ndi phosphorous pang'ono. Chitsulo chosapanga dzimbiri, chomwe chimadziwikanso kuti asidi wosapanga dzimbiri...
Pali kusiyana kwakukulu pakati pa machubu opangidwa ndi galvanized sikweya ndi machubu wamba opangidwa ndi galvanized sikweya: **Kukana dzimbiri**: - Chitoliro chopangidwa ndi galvanized sikweya chimakhala ndi kukana dzimbiri kwabwino. Kudzera mu galvanized treatment, wosanjikiza wa zinc umapangidwa pamwamba pa galvanized sikweya...
Mndandanda wa zitsulo za H zomwe zili mu gawo la H ku Europe makamaka zimaphatikizapo mitundu yosiyanasiyana monga HEA, HEB, ndi HEM, iliyonse ili ndi zofunikira zosiyanasiyana kuti ikwaniritse zosowa za mapulojekiti osiyanasiyana aukadaulo. Makamaka: HEA: Ichi ndi chitsulo cha H-section chopapatiza chokhala ndi c...
Mndandanda wa HEA umadziwika ndi ma flanges opapatiza komanso gawo lalitali, zomwe zimapangitsa kuti ukhale wopindika bwino kwambiri. Mwachitsanzo, potengera Hea 200 Beam, uli ndi kutalika kwa 200mm, m'lifupi mwa flanges wa 100mm, makulidwe a ukonde wa 5.5mm, makulidwe a flanges a 8.5mm, ndi gawo ...
Kusiyana kwa njira zopangira Chitoliro cha galvanized strip (chitoliro chachitsulo chopangidwa ndi galvanized pre) ndi mtundu wa chitoliro chopangidwa ndi welding pogwiritsa ntchito galvanized steel strip ngati zopangira. Chitoliro chachitsulocho chimakutidwa ndi zinc chisanagwedezeke, ndipo chikaphwanyidwa mu chitoliro, ...