冷軋板在電纜橋架中起到的作用
Fireproof cable tray is the most important local fire board, fireproof board with siliceous material and calcareous materials as the main raw material, and fiber material, lightweight aggregate, adhesives and chemical additives mixed by a certain percentage, the first made of autoclaved technology. After machining, the profile has the same average shape, no winding, buckling, crack and edge.
鋼質(zhì)骨架主要選用冷軋板經(jīng)機械加工制造而成，具有承載才干高，運用壽命長(cháng)的特性。鋼質(zhì)骨架的斷面規整無(wú)毛刺尖角，槽內光滑平整無(wú)尖利凸起。內層加防火板或噴防火涂料，且確保防火板與橋架固定可靠。
The steel skeleton is mainly made of high quality cold rolled plate, which is made by mechanical processing. It has the characteristics of high bearing capacity and long service life. The steel skeleton has regular section, no burrs and sharp corners, and the grooves are smooth and smooth without sharp bumps. The inner layer is provided with a fireproof board or a fireproof coating, and the fireproof board is ensured to be reliable with the bridge frame.
電鍍法制造鍍鋅鋼板具有良好的加工性能.但鍍層較薄,耐腐蝕性不如熱浸法鍍鋅板. 冷鍍鋅就是電鍍鋅，鍍鋅量很少，只在外管壁鍍鋅(熱鍍---內外都鍍)，只要10-50g/m2，其自身的耐腐蝕性比熱鍍鋅管相差很多。
Manufacture of galvanized steel electroplating method has good processing performance. But the coating is thin, corrosion resistance than hot dip galvanizing plate. Cold galvanizing is galvanized, galvanized galvanized pipe wall rarely, only in the outer (hot dip plating, both inside and outside), as long as 10 50g/m2, the corrosion resistance of hot dip galvanized pipe is better than many of its own.
防火涂料是一種鋼構造維護商品。它精選高分子合成樹(shù)脂為成膜物質(zhì)，加以阻燃劑、發(fā)泡劑、炭化劑及高溫耐火材料制造而成的。
Fire retardant coating is a kind of high efficiency steel structure maintenance commodity. It selects high molecular synthetic resin as film forming material, and is made of flame retardant, foaming agent, charring agent and high temperature refractory material.
它在高溫條件下，涂層發(fā)作接連發(fā)泡收縮效應，構成柔韌的海綿狀的炭化隔熱層，使承載的鋼構造不會(huì )因高溫烈焰的效果而急劇軟化變形，強度不會(huì )急劇降落。外表防火涂料層噴涂請求平均、光亮、無(wú)明顯色差。
It is in the condition of high temperature, coating foaming contraction effect attack successively, a heat insulation layer carbonization spongy flexible, the bearing steel not because of the high temperature flame effect and rapid softening deformation, not a sharp decline in strength. Surface fire retardant coating spraying request average, bright, no obvious color difference.
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