Which material is better for top aluminum alloy or galvanized steel pipe

In recent years, the production of galvanized sheet in China has increased year by year, and the import volume is also increasing year by year, and the growth rate is even higher than the increase in production; After deducting the double statistics of production, the consumption of galvanized sheet is about 5.27 million tons. After 1999, the import volume of galvanized sheet exceeded the production volume for the first time, and the self-sufficiency rate of domestic products was less than 50%, and there was a trend of decreasing year by year. (1) The current situation of galvanized sheet consumption.

In recent years, the increase in domestic galvanized sheet production is mainly due to the increase in the output of hot-dip galvanized sheet, from 1998 to 2002, the production volume of hot-dip galvanized sheet increased from 970,000 tons to 2.2 million tons; The import volume grew faster, from 370,000 tons in 98 to 1.56 million tons in 02; Apparent consumption increased from 1.32 million tonnes to 3.67 million tonnes. In 2002, the self-sufficiency rate of domestic products of hot-dip galvanized sheet was about 60%, and the domestic production and import volume of hot-dip galvanized sheet that year were ...

Aluminum alloy pipes have stronger corrosion resistance than galvanized pipes, and it is definitely better to transport inert gases than aluminum alloy pipes, but aluminum alloy pipes cannot be used as water pipes, and stainless steel pipes are best used if water pipes are used. Although galvanized steel pipes are cheap, they have extremely poor corrosion resistance, and later maintenance will also be a large expense.

The pipeline in the following diagram is recommended.

Aluminum alloy has outstanding plasticity, high electrical and thermal conductivity, and also has the ability to resist oxidation and corrosion. to decide which material is suitable for you.

If you don't consider **, only consider the good or bad, it must be 304 stainless steel, but it depends on what you are used for, and choose the best one according to the use.

Summary. Pro, the difference between aluminum alloy and steel pipe:

Steel pipes: Steel pipes are relatively heavy, and the surface can be sprayed to enhance the corrosion resistance of the metal. The aluminum alloy material is relatively light, but the strength is high. Surface oxidation or spraying treatment to enhance the corrosion resistance of the metal and prolong the service life.

Steel tube wheelchairs** are relatively low, most of them are within 1,000 yuan. It is mostly equipped with pneumatic tires, and the shock absorption effect is remarkable. It's just that it is self-weighted, and the uphill road is more difficult, so it is more suitable for people who do not move often and have limited economic conditions.

If the use environment is relatively humid, the steel pipe is also very easy to corrode and rust, and it is not convenient to reuse it after scrapping.

The difference between aluminum alloy and steel pipe.

Pro, the difference between aluminum alloy and steel pipe: steel pipe: The steel pipe is relatively heavy, and the surface can be sprayed to enhance the corrosion resistance of the metal.

The aluminum alloy material is relatively light, but the strength is high. Surface oxidation or spraying treatment to enhance the corrosion resistance of the metal and prolong the service life. Steel tube wheelchairs** are relatively low, most of them are within 1,000 yuan.

It is mostly equipped with pneumatic wheels and peifeng friendly tires, and the shock absorption effect is remarkable. It's just that it is self-weighted, and the uphill road is more difficult, so it is more suitable for people who do not move often and have limited economic conditions. If the use environment is relatively humid, the steel pipe is also very easy to corrode and rust, and it is not convenient to reuse it after scrapping.

Aluminum alloy: not easy to corrode and rust, load-bearing about 100kg, pneumatic tires and solid tires are available, and the market price is one level higher than that of steel tube wheelchairs. It is more suitable for people who have higher buildings and need to move frequently.

Now most of the market is made of aluminum alloy, many people may think that the material of the light tube will be stronger than the aluminum alloy, but this is not the case, the aluminum alloy of the wheelchair is made of high-strength aluminum alloy, this material not only has the sturdiness of the steel pipe and is a little more convenient, to a certain extent, it avoids the bulky characteristics of the steel pipe material.

The difference between aluminum alloy and steel pipe is as follows:

1. Steel pipe. The steel pipe is relatively heavy, the surface can be sprayed with plastic treatment, enhance the corrosion resistance of the metal, the state or Hu aluminum alloy material is relatively light, but the sail bar strength is high, the surface oxidation or spraying treatment, enhance the corrosion resistance of the metal, prolong the service life, the steel pipe wheelchair is relatively low, most of them are within 1,000 yuan, with pneumatic tires, the shock absorption effect is remarkable, but it is weighty, the uphill road is more difficult, it is more suitable for people who do not move often and have limited economic conditions. If the use environment is relatively humid, the steel pipe is also very easy to corrode and rust, and it is not convenient to reuse it after scrapping.

2. Aluminum alloy.

Not easy to corrode and rust, load-bearing about 100kg, pneumatic tires and solid tires have, the market price is one level higher than the steel tube wheelchair, more suitable for buildings higher, need to move people often, now most of the market is made of aluminum alloy, many people may think that the material of the light tube will be stronger than the aluminum alloy, but in fact, this is not the case, the aluminum alloy of the current wheelchair is made of high-strength aluminum alloy, this material not only has the steel pipe of the strong and durable and convenient part, To a certain extent, the bulky material of steel pipes is avoided.

Uses of steel pipes:

1. Pipes for pipelines.

Seamless pipes for water, gas pipes, and steam pipelines, oil transmission pipes, pipe keys for oil and gas trunk lines, and pipes for agricultural irrigation faucets and sprinkler irrigation pipes.

2. Pipes for thermal equipment.

Boiling water pipes and superheated steam pipes for boilers, superheated pipes, large smoke pipes, small smoke pipes, arch brick pipes and high temperature and high pressure boiler tubes for locomotive boilers.

3. Pipes for machinery industry.

Aviation structural pipes (round pipes, elliptical pipes, flat elliptical pipes), automobile half-shaft tubes, axle tubes, automobile tractor structural tubes, tractor oil cooler tubes, square and rectangular tubes for agricultural machinery, transformer tubes and bearing tubes.

4. Pipes for petroleum geological drilling.

Petroleum drilling pipes, oil drill pipes (square drill pipes and hexagonal drill pipes), drilling straight, oil tubing, oil casing and various pipe joints, geological drilling pipes (core pipes, casings, active drill pipes, drilling straights, hoops and pin joints).

5. Pipes for the chemical industry.

Petroleum cracking pipes, pipes for heat exchangers and pipelines for chemical equipment, stainless acid-resistant pipes, high-pressure pipes for fertilizers and pipes for transporting chemical media, etc. <>

Advantages: 1. The inner surface of the galvanized steel pipe is smooth and clean, and the self-oxidation layer is corrosion-resistant. Compressed air pressure loss is small and energy saving.

2. The galvanized steel pipe pipe is beautiful and concise.

3. Aluminum alloy is easy to install and mainly quick plug-in. The installation cost is low.

4. Aluminum alloy is easy to disassemble, move and modify.

Disadvantages: 1. Aluminum alloy pipes and joints are higher than galvanized pipes.

2. Aluminum alloy steel pipes cannot be used as water pipes, because aluminum pipes are not as rigid as galvanized pipes, but they are very flexible.