20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
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Specification
Product information
Product number: 15CrMoG
Executive standard: gb5310-2008
Chemical composition:
| C | Si | Mn | P | S |
| 0.12～0.18 | 0.15～0.40 | 0.40～0.70 | ≤0.025 | ≤0.025 |
| Cr | Mo | |||
| 0.80～1.20 | 0.45～0.60 |
Product application: usually 15CrMo steel is mainly used for high pressure pipe and steam guide pipe with steam parameter of 510℃, heat exchanger pipe with wall temperature of 550℃, etc.
Treatment process: hot rolling
Theoretical weight scale (unit: kg/m, mm) : (outer diameter - wall thickness)* wall thickness *0.02483=kg/ m (weight per meter)
Foreign similar type of steel, the former Soviet union's 15XM, American brand T12, P12, Japanese brand STBA22, STPA22 and German brand 13CrMo44 and so on.
15CrMo steel is widely used in the power industry. It has high thermal strength when used at 500℃-550℃.When the service temperature is greater than 550℃, its thermal strength performance is significantly reduced.Generally, 15CrMo steel is mainly used for high pressure pipe and steam guide pipe with steam parameters of 510℃ and heat exchanger pipe with wall temperature of 550℃
Company introduction：
Our company is a new force established by the Pipeline Industry Group in the 1980s. It relies on a large number of core technologies accumulated by the Group, together with strict quality control, physical and chemical testing, and carries out professional pipe fittings management in strict accordance with various standards. Products are widely used in petroleum, petrochemical, chemical, thermal power, boilers, four major pipelines, fertilizer, aviation nuclear power, metallurgy, shipbuilding, machinery and military fields.
Our company's main products mainly include elbows, elbows, tees, diameter pipes, pipe caps, sharp elbows, flanges, socket fittings, forged pipe fittings and difficult pipe fittings. In addition, our company has alloy steel pipe and seamless steel pipe for high-pressure boiler all the year round. After 10,000 tons of medium and low pressure boiler pipes, low temperature steel pipes and pipeline steel pipes.
All products adopt national standard: GB, DL695, GD87, GD2000, SH, HG and American standard ASME (ANSI), German standard DIN, Japanese standard JIS and other standards, and our company solemnly promises that all the company's pipe parts in accordance with the standard piece by piece for geometric size and appearance testing, ultrasonic thickness measurement, ultrasonic non-destructive testing, magnetic powder, coloring penetration and other tests, while our company resolutely takes the market as the test. Oriented, facing the following customized pipe fittings and difficult pipe fittings of customers, we also adopt the attitude of excellence in production, which has been well received by customers at home and abroad for many years, and has established a very high reputation in the same industry.
- Q: How are steel pipes coated for protection against external elements?
- Steel pipes are coated for protection against external elements through a process called pipeline coating. This involves applying a layer of protective material, such as epoxy or polyethylene, onto the surface of the steel pipes. The coating acts as a barrier, preventing corrosion and damage from external factors like moisture, chemicals, and UV radiation. This protective coating ensures the longevity and durability of the steel pipes, even in harsh environments.
- Q: Can steel pipes be used for steam applications?
- Yes, steel pipes can be used for steam applications. Steel is a widely used material in steam systems due to its high strength, durability, and resistance to high temperatures and pressure. It is commonly used in industries such as power generation, refineries, and petrochemical plants for carrying and distributing steam. However, it is important to ensure that the steel pipes are properly designed, installed, and maintained to withstand the specific conditions and requirements of steam applications.
- Q: How are steel pipes recycled?
- Steel pipes are recycled through a multi-step process that involves collection, sorting, cleaning, and melting. First, the used steel pipes are gathered from various sources such as construction sites or industrial facilities. Then, they are sorted based on their size, shape, and quality. Next, any contaminants or coatings are removed from the pipes through cleaning and stripping processes. Finally, the cleaned pipes are melted down in a furnace, and the molten steel is formed into new pipes or other steel products. This recycling process reduces the demand for new raw materials and helps conserve energy and resources.
- Q: How are steel pipes used in the oil and gas industry?
- Steel pipes are widely used in the oil and gas industry for various purposes. They are primarily used for transporting and distributing oil and gas from extraction sites to refineries and end consumers. Steel pipes are also used in drilling operations, where they are utilized as casing and tubing to extract oil and gas from wells. Additionally, steel pipes are employed in the construction of storage tanks, pipelines, and other infrastructure required for the production, processing, and transportation of oil and gas. Overall, steel pipes play a crucial role in ensuring the efficient and safe operation of the oil and gas industry.
- Q: What are the different types of coatings applied to steel pipes?
- There are several types of coatings that can be applied to steel pipes, including epoxy, polyethylene, fusion bonded epoxy (FBE), and zinc coatings. These coatings provide protection against corrosion, abrasion, and chemical damage, ensuring the longevity and durability of the steel pipes in various applications.
- Q: What is the difference between steel pipes and HDPE pipes?
- Steel pipes and HDPE pipes are both commonly used for various applications, but they differ in their composition and characteristics. Steel pipes are made from a combination of iron and carbon, offering high strength, durability, and resistance to extreme temperatures and pressure. They are commonly used in industries like oil and gas, construction, and plumbing. On the other hand, HDPE pipes are made from high-density polyethylene, a thermoplastic material known for its flexibility, corrosion resistance, and lightweight nature. HDPE pipes are often used in water supply and drainage systems, as well as for underground and aboveground applications. Ultimately, the choice between steel pipes and HDPE pipes depends on the specific requirements of the project, including factors such as cost, application, and environmental conditions.
- Q: What are the different international standards for steel pipes?
- There are several international standards for steel pipes that are widely recognized and used in the industry. Some of the key standards include: 1. ASTM A53: This standard covers seamless and welded black and hot-dipped galvanized steel pipes. It is commonly used for low-pressure applications such as water, gas, and steam. 2. ASTM A106: This standard covers seamless carbon steel pipes for high-temperature service. It is widely used in refineries, power plants, and petrochemical industries where high pressure and temperature conditions exist. 3. ASTM A312: This standard covers seamless, welded, and heavily cold worked austenitic stainless steel pipes. It is often used for high-temperature and corrosive environments in industries such as chemical processing, food processing, and pharmaceuticals. 4. API 5L: This standard specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries. 5. EN 10216: This European standard covers seamless steel pipes for pressure purposes. It is used in various industries such as power generation, chemical, and oil and gas. 6. JIS G3454: This Japanese standard covers carbon steel pipes for pressure service. It is commonly used in the transportation of water, gas, and oil. 7. DIN 2448: This German standard specifies seamless steel pipes for general purposes. It is widely used in various industrial applications. These are just a few examples of the many international standards that exist for steel pipes. Each standard specifies different requirements for manufacturing, dimensions, mechanical properties, and testing to ensure the quality and performance of the pipes in specific applications. It is important for manufacturers, suppliers, and users to understand and comply with the relevant standards to ensure the safe and reliable use of steel pipes.
- Q: What is the difference between steel pipes and fiberglass-reinforced pipes?
- The main difference between steel pipes and fiberglass-reinforced pipes lies in their composition and structural properties. Steel pipes are made primarily of iron and carbon, which provide high strength and durability. On the other hand, fiberglass-reinforced pipes consist of a composite material that combines a resin matrix with glass fibers, offering excellent corrosion resistance and high tensile strength. Additionally, steel pipes are heavier and require more maintenance, while fiberglass-reinforced pipes are lighter, easier to install, and have a longer lifespan.
- Q: How are steel pipes made?
- Steel pipes are made through a process called pipe manufacturing, which involves multiple steps. Firstly, raw steel is melted in a furnace and then subjected to continuous casting to form a solid billet. This billet is then heated and pierced to create a hollow tube called a shell. Next, the shell is rolled and stretched to the desired diameter and thickness using a series of rollers. The pipe is then subjected to a process called welding, where two edges of the shell are fused together to create a seamless or welded pipe. Finally, the pipe undergoes various finishing processes such as cutting, straightening, and inspection before being ready for use.
- Q: What is the difference between steel pipes and polyethylene pipes?
- Steel pipes are made of a strong and durable material, steel, which makes them suitable for high-pressure and high-temperature applications. They are also resistant to corrosion, making them ideal for transporting liquids and gases. On the other hand, polyethylene pipes are made of a flexible plastic material, which makes them easier to install and handle. They are lightweight, resistant to chemicals, and have a low risk of corrosion. However, they may not be suitable for very high-pressure or high-temperature applications.
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20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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