方矩管，是方形管材和矩形管材的一種稱呼，也就是邊長相等和不相等的的鋼管。是帶鋼經(jīng)過工藝處理卷制而成。一般是把帶鋼經(jīng)過拆包，平整，卷曲，焊接形成圓管，再由圓管軋制成方形管然后剪切成需要長度。方管是一種空心方形的截面輕型薄壁鋼管，也稱為鋼制冷彎型材。它是以Q235熱軋或冷軋帶鋼或卷板為母材經(jīng)冷彎曲加工成型后再經(jīng)高頻焊接制成的方形截面形狀尺寸的型鋼。熱軋?zhí)睾癖诜焦艹诤裨龊裢馇闆r,其角部尺寸和邊部平直度均達到甚至超過電阻焊冷成型方管的水平。綜合力學(xué)性能好，焊接性，冷，熱加工性能和耐腐蝕性能均好，具有良好的低溫韌性。

Square rectangular tube, is a name of square pipe and rectangular pipe, that is, the edge of equal length and unequal steel pipe.Ribbon steel is made through process processing roll.Generally, the strip steel is unwrapped, flat, coiled, welded to form a round pipe, and then rolled by a round pipe into a square pipe and then cut into the required length.Square pipe is a hollow square section of light thin-walled steel pipe, also known as steel refrigeration bent profile.It is the Q235 hot rolled or cold rolled strip or coil as the base material after cold bending processing and then by high frequency welding made of square section shaped steel.Except for the wall thickness and thickening, the corner size and edge smoothness all reach or even exceed the level of resistance welded cold forming square pipe.Comprehensive mechanical properties, weldability, cold, heat processing properties and corrosion resistance are good, with good low temperature toughness.

熱鍍鋅方矩管是用鋼板或者鋼帶經(jīng)過卷曲成型之后焊接制成的方管，在熱鍍鋅池通過一系列的化學(xué)反應(yīng)成型的方管產(chǎn)品，我們可以通過熱軋或是冷軋鍍鋅鋼帶實現(xiàn)冷彎，之后進行高頻焊接而成的一種空心正方形截面的鋼管產(chǎn)品。熱鍍鋅方矩管的生產(chǎn)工藝相當(dāng)簡單，生產(chǎn)效率比較高，品種規(guī)格多樣，設(shè)備資源較少，但一般強度是低于無縫熱鍍鋅方矩管的。

Hot dip galvanized square moment pipe is made of steel plate or steel strip after winding forming welding square pipe, in hot dip galvanized pool through a series of chemical reaction molding of square pipe products, we can through hot rolled or cold rolled galvanized steel belt to achieve cold bending, after high frequency welding and a hollow square section of steel pipe products.The production process of hot galvanized square moment tube is quite simple, the production efficiency is relatively high, the variety and specifications are diverse, the equipment resources are less, but the general strength is lower than the seamless hot galvanized square moment tube.

熱鍍鋅方矩管由于其優(yōu)異的性能常被人們用在玻璃幕墻、電力鐵塔、水及煤氣的輸送、電線套管及金屬結(jié)構(gòu)等方面，近些年更被大量地采用。熱鍍鋅方矩管產(chǎn)品一般是以其外觀來判斷是不是合格產(chǎn)品的，在熱鍍鋅方矩管的外壁表面若出現(xiàn)漏鍍、麻點、氣泡、泛綠等的頻率過高，則判定熱鍍鋅方矩管為不合格的產(chǎn)品。但在產(chǎn)品標(biāo)準(zhǔn)之中對熱鍍鋅方矩管的偏差都有規(guī)定的范圍，即尺寸是允許偏差的。熱鍍鋅方矩管的品種豐富、規(guī)格齊全，業(yè)務(wù)遍及多個省市地區(qū)。熱鍍鋅方矩管的產(chǎn)品規(guī)格、壁厚等有相關(guān)的標(biāo)準(zhǔn)要求，一切都按照使用的不同途徑來具體區(qū)分。

Due to its excellent performance, hot-dip galvanized square moment pipe is often used in glass curtain wall, power tower, water and gas transmission, wire casing and metal structure, and it has been widely used in recent years.Hot dip galvanized square moment pipe products are generally on its appearance to judge whether qualified products, in the outer wall surface of hot dip galvanized square moment pipe if the frequency of leakage plating, hemp, bubbles, green, etc. is too high, the hot dip galvanized square moment pipe as unqualified products.However, the deviation of the hot-dip galvanized square moment pipe in the product standard is specified range, that is, the size is allowed to be deviation.Hot dip galvanized square moment pipe variety, complete specifications, business throughout a number of provinces and regions.Hot-dip galvanized square moment pipe product specifications, wall thickness and other relevant standard requirements, all according to the use of different ways to distinguish specifically.

方矩形焊管現(xiàn)在主要應(yīng)用在大型場館的建設(shè)，例如：飛機場、體育場、車站等用來作為主體鋼架、墻體等，民用鋼結(jié)構(gòu)住宅的建設(shè)；另外在機械行業(yè)作為設(shè)備的底座和支架，車輛作為大梁和大型貨車的改裝，農(nóng)用三輪車的車體，民用上用來焊接各種框架等。高頻焊管產(chǎn)品應(yīng)用于建筑業(yè)的主要是結(jié)構(gòu)用高頻焊接方矩形管和建筑用結(jié)構(gòu)冷彎型鋼，其中方矩形管用量占50%以上。從結(jié)構(gòu)力學(xué)和經(jīng)濟角度，方矩形管和H型鋼結(jié)合應(yīng)用于建筑業(yè)是最佳組合，可以實現(xiàn)工業(yè)廠房和民用住宅建設(shè)工廠化。

Square rectangular welding pipe is now mainly used in the construction of large venues, such as airport, stadium, station, wall, civil steel structure housing, in addition, as the base and support of equipment, vehicles as girder and large trucks, the body of agricultural tricycles, for welding various frames, etc.High-frequency welded pipe products used in the construction industry are mainly structural high-frequency welding square rectangular pipe and building structure cold-curved steel, among which the square rectangular pipe consumption accounts for more than 50%.From the perspective of structural mechanics and economy, the combination of square rectangular pipe and H-shaped steel in the construction industry is the best combination, which can realize the industrial plant and civil residential construction factory.

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If you need to know more about the "galvanized board" related knowledge, you are welcome to check the small series of other articles and product center!