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生產外徑15*15- 600*600mm，壁厚1.5*25mm之間的任何方矩型鋼管，規格齊全，質優價廉
材質可生產Q195、Q235、Q345B、10#、20#、35#、45#、20G、40Cr、20Gr、16Mn、45Mn、27SiMn、Cr5Mo、12Cr Mo、(T12)、12Cr1MoV、10CrM0910、T91、15CrMo、35CrMo、40CrMo,及各種銹鋼(201、202、301、304、316、321、430)等，銅(T2、H59 )等，鋁(6061、6063)等材質
山東萬信金屬制造有限公司是專業的方管生產廠家，專業生產方管、矩形管、20#無縫方管、Q345B方管、Q235B方管、無縫方管、大口徑方矩管、無縫方矩管、16Mn方矩管。
產品廣泛用于汽車行業、礦山、建筑工程、農機、體育器材、家具、造船、橋梁護欄、幕墻裝飾、煤礦、編織、電力、鍋爐、機械、等各種機械領域。產品銷往全國28個省、市、自治區，井出口東南亞和中東等和地區
本公司專業生產方管15×15-600*600mm , 矩形管10×20-600*800mm為主。生產范圍包括各種方管、矩形管、Q345B方管、無縫方管、方矩管、厚壁方管、大口徑方矩管、無縫方矩管、20#厚壁方矩管、Q235B焊管方矩管。 公司擁有600x600大截面方矩形管、冷彎型鋼機組輥彎、輥擠成型生產線，彎曲、矯直、切斷和拋光設備。大口徑、厚壁方矩管是我們的主打產品。年生產能力達5-8萬噸。無縫方矩管，是我公司沿著鋼管產品深加工的發展軌道，開發的新產品系列。以無縫鋼管或焊接鋼管的圓管為母材，經冷軋輥推擠滾壓成型大口徑厚壁的方、矩異型鋼管。因而具有高品質、多品種、大壁厚的特點
公司擁有現代化的大型露天庫和室內庫，專業銷售：Q345B方管，Q235B無縫方管，Q345D矩形管，304不銹鋼無縫方矩管，不銹鋼大口徑方矩管，不銹鋼厚壁矩形管的企業。可根據客戶要求定做：普碳鋼、不銹鋼、錳鋼、低合金鋼、材質。方管范圍：20*20---600*600，矩形管范圍：20*30---400*800，厚度：0.6mm---28mm，規格達2800多種；也可根據客戶要求定做：非標方管、非標矩管、非標無縫方矩形管�，F貨庫存材質：235B、345B、20#、16Mn、201、304、316等材質
產品主要應用領域：裝飾、建筑鋼結構，大型場館，會展中心，升降機械，船舶制造，倉儲貨架，裝飾裝潢，交通設施，機場建設，鐵路車輛，橋梁支架，礦井支架，車輛制造等行業。
無縫方管一支起訂，價格低，歡迎廣大用戶來電垂詢，尋求合作

無縫方管特點：Q345B方管在近幾年在管道中的應用是很大的，可以說是有了巨大的應用。在管道應用中由于大量運輸一些粘稠度比較高的液體，所以它獨有的耐磨性就體現出來了，那么Q345B方管的耐磨性有什么特點呢?
Q345B square pipe has been widely used in pipelines in recent years. It can be said that Q345B square pipe has great application. In the pipeline application, because a large number of high viscosity liquids are transported, the unique wear resistance of Q345B square pipe is reflected. What are the characteristics of wear resistance of Q345B square pipe?
1.很好的連接性能：
1. Good connection performance:
Q345B方管基材是普通Q235鋼板,保證耐磨鋼板具有韌性和塑性,提供抵抗外力的強度,可以采取焊接、塞焊、螺栓連接等多種方式和其他結構進行聯系,連接牢固,不容易脫落,連接方式多于其他材料;
Q345B square pipe base material is ordinary Q235 steel plate, which guarantees the toughness and plasticity of wear-resistant steel plate and provides strength against external forces. It can be connected with other structures by welding, plug welding, bolt connection, etc. The connection is firm, not easy to fall off, and the connection mode is more than other materials.
2.很好的選擇性能：
2. Good selectivity:
Q345B方管選擇不同厚度基材,堆焊不同層數和厚度的合金耐磨層,可以得到不同厚度和不同用途的鋼板,厚度可達到30㎜以上;
Q345B square pipe can be welded with different thickness of base material and different layers and thicknesses of alloy wear-resistant layer, and steel plates with different thickness and different uses can be obtained. The maximum thickness can reach more than 30 feet.
3.很好的加工性能：
3. Good processing performance:
Q345B方管能夠按要求加工成不同規格尺寸,可以進行加工、冷彎成型、焊接、彎曲等,方便使用;可以現場拼焊成型,使維修更換工作變得省時、方便,大大降低工作強度.
Q345B square pipe can be processed into different specifications and sizes according to requirements. It can be processed, cold-formed, welded, bended, etc. It is convenient to use. It can be tailor-welded on site, which makes maintenance and replacement work time-saving, convenient and greatly reduces the working strength.

4.很好的性價格比：
4. Good sex-price ratio:
Q345B方管價格較普通材料有所提高,但考慮到產品使用壽命,綜合考慮維修費用、備件費用和停機損失,其性能價格比遠高于普通鋼板和其他材料.
The price of Q345B square tube is higher than that of common material, but considering the service life of the product, considering the maintenance cost, spare parts cost and downtime loss, the performance-price ratio of Q345B square tube is much higher than that of common steel plate and other materials.
5.很高的耐磨性能：
5. High wear resistance:
Q345B方管耐磨層厚度3-12㎜,耐磨層硬度可以達到HRC58-62,耐磨性能是普通鋼板的15-20倍以上,是低合金鋼板性能5-10倍以上,是高鉻鑄鐵耐磨性能2-5倍以上,耐磨性遠遠高于噴焊和熱噴涂等方法.
The wear resistance of Q345B square pipe is 5-10 times of that of low alloy steel plate, 2-5 times of that of high chromium cast iron, and much higher than that of spray welding and thermal spraying.
6.較好的沖擊性能：
6. Better impact performance:
Q345B方管是雙層金屬結構,耐磨層和基材之間是冶金結合,結合強度高,可在受沖擊的過程中吸收能量,耐磨層不會脫落,可以應用到振動、沖擊較強的工況條件下,這一點是鑄造耐磨材料和陶瓷材料所不及的.
Q345B square pipe is a double-layer metal structure, the wear-resistant layer and the base material are metallurgical bonding, the bonding strength is high, it can absorb energy in the process of being impacted, the wear-resistant layer will not fall off, it can be applied to the working conditions of strong vibration and impact, which is inferior to cast wear-resistant material and ceramic material.
7.很好的耐溫性能：
7. Good temperature resistance:
Q345B方管合金碳化物在高溫下有很強的穩定性能,耐磨鋼板可以在500℃內使用,其他特殊要求溫度可以定制生產,能夠滿足1200℃以內條件下使用;陶瓷、聚氨脂、高分子材料等采取粘貼方式耐磨材料無法滿足如此高溫要求.
Q345B square tube alloy carbide has strong stability at high temperature, wear-resistant steel plate can be used at 500 C, other special requirements temperature can be customized production, can meet the conditions of 1200 C. Ceramics, polyurethane, macromolecule materials and other wear-resistant materials can not meet such high temperature requirements by sticking.