Stainless steel welded pipe replacement heat exchanger manifold advantages introduced

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The past five years, the stainless steel welded pipe industry development situation is relatively good, regardless of size, quality, production technology has made great strides, especially its demand areas are gradually expanding, with stainless steel pip e process maturing, many products can replace stainless steel seamless pipe, such as: the heat exchanger tubes, low pressure boiler tubes.

 

Stainless steel welded pipe production features production equipment is lightweight, less investment, speed of construction, welding method is simple, wide range of product specifications, dimensional accuracy, thickness deviation, smooth surface, high-yield. In the case of mass production, the welded pipe more than 20% lower than seamless cost. In recent years, the domestic use of the stainless steel tube welding? D rolling "production process, with cold-rolled coil to specification requirements slitting, after forming, multi-gun TIG welding machine welding tube, then cold-rolled (pull) the performance indicators that the weld is consistent with the parent material, product quality has improved significantly. Therefore, stainless steel seamless pipe, stainless steel pipe instead of more and more obvious advantages.sanitary pump

 

Stainless steel welded pipe production advantages:Stainless steel reducer

 

Stainless steel welded tube experience in the production process, by uniform compression, then through online bright solid melt annealing, the surface becomes very smooth, and the smooth surface is not easy to fouling, with anti-fouling. This is not only conducive to heat and does not require regular cleaning, saving time and effort to save money. Second, the pipe is a plate of deep processing products, the advantages of its uniform thickness is unparalleled, also can arbitrarily cut to length, high accuracy. Again, the stainless steel has the characteristics of corrosion-resistant, longer life use.

 

Stainless steel welded pipe products status quo:

 

Of industrial stainless steel pipe production capacity can not meet the domestic market demand, most of the existing stainless steel welded pipe mill process equipment is not complete, such as lack of heat treatment and online testing equipment, the production capac ity of the unit is not to give full play to, generally only can produce decorative tube, medium and low standard of decorative stainless steel welded pipe oversupply; higher standard industrial pipe, such as chemical mechanical tube, heat exchanger tube, only a few manufacturers can produce, production serious lack of capacity.Pipe Fittings

 

One of the alternatives "heat exchanger tubes":

 

The heat exchanger tube is an essential part of the column and tube heat exchanger equipment, heat exchanger tube is generally selected under the pressure of the fluid medium. Misunderstanding of the market on the choice of the heat exchanger tube is one of stainless steel welded pipe can not be used as a heat exchanger tube, but GB/151-1999 where expressly provided in the tube pressure ≤ 6.4MPa can choose stainless steel welded pipe. Especially in the case of stainless steel welded pipe production process is now very mature, fully meet the needs of the general heat exchanger tube, and demonstrated its unique advantages.

 

Since the heat exchanger tubes constituting the heat transfer surfaces of the heat exchanger, so the size of the heat exchanger tube has a great influence on the heat transfer. Using a small diameter tube, the heat transfer area of ??the heat exchanger per unit volume is large, the device is relatively compact, less consumption per heat transfer area of ??the metal, the heat transfer coefficient is also higher. Make trouble, there is easy scaling of the tube, difficult to clean, but the above problems can be avoided austenitic stainless steel welded pipe as a heat exchanger tube, because austenitic stainless steel welded pipe and both have good corrosion resistance is also equipped with a smooth surface, while the production of process maturity, austenitic stainless steel welded pipe as the first choice of the heat exchanger tube.