The production process of straight seam welding pipe machine?

The production process of straight seam welding pipe machine is simple, with high production efficiency, low cost, and rapid development. The strength of spiral welded pipes is generally higher than that of straight seam welded pipes. Narrow billets can be used to produce larger diameter welded pipes, and billets of the same width can also be used to produce welded pipes of different diameters. However, compared to straight seam pipes of the same length, the weld length increases by 30-100% and the production speed is lower.
Therefore, smaller diameter welded pipes mostly use straight seam welding, while larger diameter welded pipes mostly use spiral welding.
1. Welded steel pipes for low-pressure fluid transportation (GB/T3092-1993), also known as general welded pipes or black pipes. It is a welded steel pipe used for conveying generally lower pressure fluids such as water, gas, air, oil, and heating steam, and other purposes. The wall thickness of steel pipes can be divided into ordinary steel pipes and thickened steel pipes; The forms of connecting pipe ends are divided into non threaded steel pipes (plain pipes) and threaded steel pipes. The specification of steel pipes is represented by the nominal diameter (mm), which is an approximate value of the inner diameter. Traditionally, inches are commonly used to represent welded steel pipes for low-pressure fluid transportation. In addition to being directly used for fluid transportation, they are also widely used as raw pipes for galvanized welded steel pipes for low-pressure fluid transportation.
2. Galvanized welded steel pipes (GB/T3091-1993) for low-pressure fluid transportation, also known as galvanized welded steel pipes, commonly known as white pipes. It is a hot-dip galvanized welded (furnace welded or electric welded) steel pipe used for conveying water, gas, air oil, heating steam, warm water, and other generally lower pressure fluids or other purposes. The wall thickness of steel pipes can be divided into ordinary galvanized steel pipes and thickened galvanized steel pipes; The forms of connecting pipe ends are divided into unthreaded galvanized steel pipes and threaded galvanized steel pipes. The specification of steel pipes is represented by the nominal diameter (mm), which is an approximate value of the inner diameter. Traditionally, inches are commonly used, such as 11/2.
3. Ordinary carbon steel wire sleeves (GB3640-88) are steel pipes used to protect wires in electrical installation projects such as industrial and civil buildings, installation machinery and equipment.
4. Straight seam electric welded steel pipe (YB242-63) is a steel pipe with a weld seam parallel to the longitudinal direction of the steel pipe. Usually divided into metric welded steel pipes, welded thin-walled pipes, transformer cooling oil pipes, and so on.
5. Spiral seam submerged arc welded steel pipe (SY5036-83) for the transportation of pressurized fluids is a spiral seam steel pipe used for the transportation of pressurized fluids, which is made of hot-rolled steel strip coils as pipe billets, often formed by warm spiral welding, and welded using the double-sided submerged arc welding method. The steel pipe has strong pressure bearing capacity and good welding performance. After various strict scientific inspections and tests, it is safe and reliable to use. The steel pipe has a large diameter, high conveying efficiency, and can save investment in pipeline laying. Mainly used for pipelines transporting oil and natural gas.
6. The spiral seam high-frequency welded steel pipe (SY5038-83) for the transportation of pressurized fluids is made of hot-rolled steel strip coils as pipe billets, often formed by warm spiral forming, and welded using high-frequency lap welding method. It is used for the transportation of pressurized fluids with spiral seam high-frequency welded steel pipes. Steel pipes have strong pressure bearing capacity and good plasticity, making them easy to weld and process into shape; After various strict and scientific inspections and tests, the use is safe and reliable, the steel pipe diameter is large, the conveying efficiency is high, and the investment in laying pipelines can be saved. Mainly used for laying pipelines for transporting oil, natural gas, etc.
7. Spiral submerged arc welded steel pipes (SY5037-83) for general low-pressure fluid transportation are made of hot-rolled steel strip coils as pipe billets, often spirally formed at high temperatures, and made using double-sided automatic submerged arc welding or single sided welding methods for general low-pressure fluid transportation such as water, gas, air, and steam.
8. The spiral seam high-frequency welded steel pipe (SY5039-83) for general low-pressure fluid transportation is made of hot-rolled steel strip coil as the pipe blank, often formed by warm spiral forming, and welded by high-frequency lap welding method for general low-pressure fluid transportation spiral seam high-frequency welded steel pipe.
9. Spiral welded steel pipes for piles (SY5040-83) are made from hot-rolled steel strip coils as pipe billets, often formed with warm spirals, and made using double-sided submerged arc welding or high-frequency welding. They are used for steel pipes for foundation piles in civil construction structures, docks, bridges, and other structures.