Manufacturer of high-quality carbon steel center round bend pipe

Carbon steel bending elbow produced by Taituo: small-diameter metal bends are obtained by bending, then this small-diameter metal bend is called bending elbow. The simmering bend needs to be explained separately: simmering bend refers to the processing of pipes into bends, generally refers to metal pipes for hydropower specialty and electrical PVC threading pipes; Simmer bend: refers to metal bends of water supply and drainage specialty, and bends of small diameter can be obtained by simmer bending; Simmer elbow: small-diameter metal elbow is obtained by simmering and bending small-diameter metal, then this kind of small-diameter metal elbow is called simmering elbow, which is divided into two types according to whether there are segments: segment mandrel head and segment mandrel head. The manufacture of the segmented mandrel is complicated, the cost is high, and the service time is long. The non-segment mandrel is simple to manufacture and low in cost, but the front end wears quickly.
The detection technology is advanced. Faced with the trend of economic globalization, we will, in the spirit of dedication, credibility and innovation, mold corporate culture with elite teams, improve product quality with corporate culture, promote the development of enterprise groups with hard work and hard work team spirit, and follow the business philosophy that quality leads to market and innovation leads to development. In the future development, we will persevere and earnestly perform our duties.

Manufacturer of high-quality central round bend pipe
No matter what kind of machinery and equipment and pipelines, most of them are bent pipes, which are mainly used for oil transportation, gas transportation, infusion, etc. In pure bending, the outer arm wall of the middle layer is thinned by tensile stress 1 under the action of external force distance m, and the inner compressive stress. The cross section of the tube is changed by the resultant force N1 and N2. Based on this factor, RX and SX are the main reasons for the quality decline of bent pipes. Therefore, in GBJ235-82, RX values under various pressure levels and the thinning amount on the outside are clearly specified, so as to control the values of RX and SX and ensure the quality. As mentioned in the previous article, when bending, the outer side of the material is pulled, while the position of the neutral axis under internal pressure is different from the bending method. When working in top bending (compression bending), the neutral axis is about 1/3 away from the outer wall, and when working in rotary bending (back bending), the neutral axis is 2/3 away from the outer wall. Therefore, it is beneficial to use rotary bending method for bending thin-walled pipelines.


Pipe benders can be roughly divided into numerical control pipe benders, hydraulic pipe benders, etc. Purpose of pipe bender: Hydraulic pipe bender is mainly used for laying and repairing pipelines in electric power construction, public railway construction, boilers, bridges, ships, furniture, decoration, etc. It has the advantages of multiple functions, reasonable structure, simple operation, convenient movement, installation, etc. This machine not only has the function of bending pipe, but also can use the oil cylinder as a hydraulic jack. Compared with numerical control bending pipe equipment, it has the characteristics of low price and convenient use, occupying the leading product position in the domestic pipe bender market. The numerical control pipe bender can bend pipes with one bending radius (single mode) or two bending radii (double mode) in a cold state, and is widely used for bending various pipe fittings and wires in industries such as automobiles, air conditioners and the like. Pipe benders are mainly used for plastic forming of pipes. The bending pipe is made of materials such as cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metal and plastic, etc. and the process flow of hot bending pipe. after the straight pipe is fed, an induction ring is sleeved on the part of the steel pipe to be bent by a bending pipe pushing machine, the pipe head is clamped by a mechanical rotating arm, and a medium-frequency current is introduced into the induction ring to heat the steel pipe. when the temperature of the steel pipe rises to a plastic state, the steel pipe is pushed by mechanical thrust at the rear end of the steel pipe to be bent, and the bent steel pipe part is rapidly cooled by coolant, so that the bent pipe is continuously bent out while heating, pushing, bending and cooling.
The pipe is bent by using a complete set of bending dies, and is divided into two processes of cold heating and hot pushing.

Manufacturer of high-quality central round bend pipe
Carbon steel bending elbow produced by Taituo: small-diameter metal bends are obtained by bending, then this small-diameter metal bend is called bending elbow. The simmering bend needs to be explained separately: simmering bend refers to the processing of pipes into bends, generally refers to metal pipes for hydropower specialty and electrical PVC threading pipes; Simmer bend: refers to metal bends of water supply and drainage specialty, and bends of small diameter can be obtained by simmer bending; Simmer elbow: small-diameter metal elbow is obtained by simmering and bending small-diameter metal, then this kind of small-diameter metal elbow is called simmering elbow, which is divided into two types according to whether there are segments: segment mandrel head and segment mandrel head. The manufacture of the segmented mandrel is complicated, the cost is high, and the service time is long. The non-segment mandrel is simple to manufacture and low in cost, but the front end wears quickly.

In order to create the Taituo brand, improve the popularity of the enterprise, and establish the image of the enterprise, we solemnly promise to you with the principle of ” * favorable price, * considerate service, * and reliable product quality” in the spirit of ” all pursuit of high quality and customer satisfaction”. We are responsible for explaining the common sense of pipe fittings to users of our products. Regarding the quality problems raised by users, we guarantee that users in the city will be in place within 24 hours, users in the province will be 72 hours, and users outside the province will be required to send professionals to solve them within 5 days. Three Guarantees are implemented for products. For quality problems that occur during the service life cycle, three guarantees are implemented for products that are proved to be quality problems in our factory. We are willing to provide customers with 100% satisfactory after-sales service with good faith management concept, excellent products, reasonable product prices.

Varieties, Uses and Development Process of Production Technology of Hot Galvanized Steel

In recent years, hot-dip galvanized steel sheets are very popular with customers because of their good corrosion resistance, beautiful appearance, favorable for subsequent processing, low cost and environmental pollution. This article will take you to a comprehensive understanding of hot-dip galvanized steel from the aspects of varieties, uses, development history of production technology and defects.
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Since the standard electrode potential of zinc is lower than that of iron, the galvanized layer has the function of sacrificial anode to protect the steel base in water and humid air, thus greatly prolonging the service life of the steel. Hot dip galvanizing, electro-galvanizing, mechanical galvanizing and thermal spraying (plating) zinc are commonly used in industry, among which hot galvanizing accounts for about 95% of the total amount of galvanizing, the amount of zinc used for hot galvanizing accounts for 40% of zinc production worldwide, and accounts for about 30% of zinc production in China.
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Hot dip galvanizing is a technological process in which steel, stainless steel, cast iron and other metals are immersed in molten liquid metal or alloy to obtain coatings. Hot galvanizing is the most widely used surface treatment method for steel in the world with the best performance-price ratio. Hot-dip galvanizing products play an inestimable and irreplaceable role in reducing corrosion and prolonging life of steel, saving energy and materials. At the same time, coated steel is also a short-term product with high added value supported and prioritized by the state.

At present, China’s hot galvanizing industry has entered a new stage of rapid and sustainable development.

Varieties and Uses of Hot Galvanized Steel

Common varieties of hot-dip galvanized steel include galvanized steel plate and strip, galvanized steel wire and wire mesh, galvanized steel pipe, galvanized steel and structural parts, galvanized pipe fittings (malleable cast iron pipe fittings), galvanized parts, fasteners, galvanized device products, etc. Common coatings include pure zinc coating, zinc-aluminum alloy coating (zinc-aluminum rare earth, zinc-aluminum-magnesium, zinc-aluminum-lead), zinc-nickel alloy coating, aluminum-zinc alloy coating (aluminum-zinc-silicon), etc.

Galvanized products are widely used in construction, communication, electric power, transportation, energy, automobiles, light industry (household appliances), agriculture, animal husbandry, fishery, petrochemical and other industries. Their main uses are as follows: (1) Light industry and household appliance industry: housings and baseboards of household appliances such as air conditioners, televisions, washing machines, refrigerators, microwave ovens, water heaters, computer baseboards and housings, civil chimneys, kitchenware, buckets, containers, etc. (2) Electric Power and Communication Industry: Electric Power Transmission and Transformation Tower, Communication Tower, Cable Armor Belt, Galvanized Low Carbon Steel Wire for Communication, Galvanized Steel Wire for Steel Core Aluminum Hinge Wire, Hanger, Galvanized Steel Strand for Suspension and Fastening. Pole cross arm, stay wire and fastener, various cable bridges. (3) Construction: various light steel joists for industrial and civil buildings, building floor panels, corrugated boards, roof grilles, galvanized pipes for ventilation and water supply and drainage. (4) Automobile industry: car body, door, bottom plate, inner plate, etc. (5) Transportation: Highway guardrails, highway isolation nets, light poles for roads and highways, various indicating signs, galvanized structural parts for bridges. (6) Metallurgical and chemical industries: galvanized pipes, structural frames and containers for various low-pressure fluid transportation. (7) Agriculture: Sprinkler irrigation pipes, light steel joists for plastic greenhouses, granaries, storage and transportation containers, farm tools, galvanized iron wires for binding. (8) Fishing and animal husbandry: wire ropes for fishing and net fences for animal husbandry.

The development of continuous hot dip galvanized steel sheet in China began in the 1970s. In 1979, WISCO introduced the first modern continuous hot dip galvanizing production line and color coated steel plate production line from abroad, marking the beginning of modern steel strip galvanizing technology in China.
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Due to the strong economic strength and technical strength of state-owned enterprises, equipment is mostly imported from abroad, with high unit output and high product positioning. The sales market is mainly for automobiles and high-grade household appliances, and has grown to more than 70 by 2015. After 2000, the rise of private enterprises, mainly with steel dealers as the backbone, they are familiar with the market, well-run, the use of hot dip galvanizing unit equipment fully domestic, low unit yield, low investment, low production cost, high efficiency, mainly for low-grade building materials market.
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By 2008, China’s hot galvanizing production capacity of steel plates has reached the level of developed countries in Europe and America. According to the investigation of relevant departments, our galvanized steel production lines are mainly concentrated in the developed areas such as the Yangtze River Delta, Pearl River Delta and Bohai Rim Economic Zone. However, under the influence of relevant national policies and market situation, on the one hand, the original production lines will be concentrated and integrated to a certain extent; on the other hand, the focus of the newly-built production lines will gradually shift to the central and western regions.

With the development of China’s economy, construction, automobile, household appliances and other industries have developed rapidly and become the pillar industries of the national economy. The large demand for galvanized steel plates in construction, automobile, household appliances and other industries has greatly promoted the market development and technological progress of continuous galvanized steel plates in China.