Changsha Xiangjia Metal Materical Co., Ltd.

  Pre-galvanized   pipes are pipes that have been galvaninzed in advance. Because of the pipes are galvanized, it is able to prevent pipes from rusting and rotting.  Over time, steel can rust when it interacts with water or moisture in the air. By adding the Zinc coating on the pipe, the pipe rusts much slower, which extends the life of the pipe. The pre-galvanized pipe also provides: Lower cost than steels The lowest long-term cost Dependable performance Superior resistance to mechanical damage Characteristics: It is able to maintain superior anti-rot performance Can be installed both indoors and outdoors. Longer working life Economy operation Unified design All length, size and thickness are provided. To find our more information, please visit our official website  http://www.xiangjiasteel.com/

The strength of   SSAW pipe   is higher than LSAW pipe, which can produce welded pipes with larger diameters from narrower billets, also it can use billets of the same width to produce welded pipes with different diameters. However, compared with the same length of LSAW pipe, the seam length of the SSAW pipe is increased by 30~100%, so the produce speed is low. Therefore, most of the welded pipes with smaller diameters use straight seam welding, and most of the welded pipes with large diameters use spiral welding. SSAW pipe is divided into two types: automatic submerged arc welded steel pipe and high frequency welded steel pipe. 1. Spiral seam automatic submerged arc welded steel pipes are divided into two categories: A-type pipes and B-type pipes according to the pressure of the conveying medium. Type A pipes are welded with ordinary carbon steel Q235, Q235F and ordinary low-alloy structural steel 16Mn. Type B pipes are welded with steel Q235, Q235F, Q195, etc., and are used as low-pr

What are the connection methods of the   spiral tube ? Below we will introduce you three way to connect spiral tube. Clamp connection Clamp connection can be exposed or buried, it divided into steel joints and flexible joints. Therefore, it can be used in fire water system, air conditioning cold and hot water system, water supply system, petrochemical pipeline system, thermal power and military pipeline system, sewage treatment pipeline system, etc. Flange connection Flange connection is convenient to construction, but the security and sealing is not good. Generally, pipelines with low pressure and frequently moved pipelines are suitable for this connection method, such as sludge discharge pipelines, etc. Groove connection Groove connection also called clamp connection, has become the first choice for liquid and gas pipeline connections. The application of grooved pipe connection technology makes the complex pipe connection process simple, fast and convenient. Changsha Xiangjia Metal M

Common standard for   seamless steel pipe : Seamless steel pipes are made of steel ingots or solid tube blanks through perforation to make capillaries, which are hot-rolled, cold-rolled or cold-drawn. Its used standards are: ① GB/T2102-2018 Acceptance, packaging, marking and quality certificate of steel pipes. ② GB/T17395-2008 Size, shape, weight and allowable deviation of seamless steel pipe. ③ GB/T5310-2018 Seamless steel tubes for high pressure boilers. ④ GB/T9948-2018 Seamless steel pipes for petroleum cracking. ⑤ GB/T6479-2018 Seamless steel pipes for high-pressure fertilizer equipment. ⑥GB/T18248-2018 Seamless steel pipes for gas cylinders. Changsha Xiangjia Metal Materical Co., Ltd.  is professional manufacture in seamless steel pipe with various grades and sizes. Years of production experience and manufacturing facilities who have a capacity of 200,000 tons per annual will ensure the good quality and competitive duration of our products.

There are two weights of   steel sleeve steam insulated pipe : weighing weight and theoretical weight. 1. Weighing weight Weighing weight is the actual weight of the steel sleeve steam insulated pipe. 2. Theoretical weight Theoretical weight calculation formula Weight per meter: W=0.0246615*S(D-S) Note: D=outer diameter  S=wall thickness