Galvanized welded steel pipe for any materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 12 m.t.
- Supply Capability:
- 20000 m.t./month
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Item specifice
1、Structure of Galvanized welded steel pipe for materials :
The surface of galvanized steel pipe welded steel pipe of hot dip galvanized layer or. Galvanized can increase the corrosion resistance of the steel tube, prolong service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low pressure fluid pipelines. It is also used in the petroleum industry, especially for offshore oil field of oil well pipe and oil pipe, chemical, coking equipment of oil heater, condensation cooler, coal run oil exchanger tube, and trestle pile, the mine tunnel support frame tube.
2、Main Features of Galvanized welded steel pipe for building materials :
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Galvanized welded steel pipe for building materials Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1 - 33 mm |
Section Shape | Round |
Outer Diameter | 21 - 610mm |
Place of Origin | Tianjin, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:Q195 Q235 Q345 X42 X52
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Galvanized welded steel pipe for building materials :
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
6、 Galvanized welded steel pipe for building materials Images：
- Q:What are the common methods of joining steel pipes?
- The common methods of joining steel pipes include welding, threading, and using mechanical couplings. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threads on the ends. Mechanical couplings are devices that connect the pipes together using compression or other means.
- Q:Are steel pipes affected by UV rays?
- Yes, steel pipes can be affected by UV rays. Over time, exposure to UV radiation can cause the steel to degrade and weaken. It can lead to surface oxidation, discoloration, and in extreme cases, structural damage. To prevent this, protective coatings or paint can be applied to shield the steel pipes from UV rays.
- Q:What are the different types of steel pipe joints for underwater applications?
- There are various types of steel pipe joints commonly used for underwater applications, including buttweld joints, socket weld joints, and threaded joints. These joints provide secure connections and maintain the integrity of the pipeline system in underwater environments.
- Q:How are steel pipes insulated against heat loss?
- Steel pipes are commonly insulated against heat loss by applying a layer of thermal insulation material around the pipes. This insulation material can be in the form of foam, mineral wool, or fiberglass. The insulation is typically wrapped tightly around the pipes and secured with adhesive or tape to ensure proper coverage. This insulation layer helps to reduce heat transfer through the pipe walls, thereby minimizing heat loss. Additionally, the insulation may be covered with a protective jacket or coating to provide further protection against external elements.
- Q:What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?
- Hot-dipped galvanized and electro-galvanized steel pipes are both types of steel pipes that have undergone a galvanization process to protect them from corrosion. However, there are some key differences between the two processes. Hot-dipped galvanized steel pipes are immersed in a molten zinc bath, which results in a thick coating of zinc being applied to the surface of the steel. This process creates a durable and long-lasting corrosion-resistant barrier. The thickness of the zinc coating can vary, but it is generally thicker than that of electro-galvanized steel pipes. On the other hand, electro-galvanized steel pipes are coated with a thin layer of zinc using an electroplating process. This process involves passing an electric current through the steel pipes while they are immersed in a zinc solution. The zinc particles are then deposited onto the surface of the steel, creating a thin and uniform protective barrier. One of the main differences between these two processes is the thickness of the zinc coating. Hot-dipped galvanized steel pipes have a thicker and more robust coating, making them more suitable for applications in harsh environments or where the pipes will be exposed to corrosive substances. Another difference is the appearance of the pipes. Hot-dipped galvanized steel pipes typically have a dull grayish finish, while electro-galvanized steel pipes have a smoother and more polished appearance. In terms of cost, electro-galvanized steel pipes are generally more economical compared to hot-dipped galvanized steel pipes. This is because the electroplating process is less labor-intensive and requires less zinc. Overall, the choice between hot-dipped galvanized and electro-galvanized steel pipes depends on the specific application and the level of corrosion resistance required. Hot-dipped galvanized steel pipes are typically used in more demanding environments, while electro-galvanized steel pipes are suitable for less corrosive applications where cost-efficiency is a priority.
- Q:What are the specifications for steel pipes used in high-pressure applications?
- The specifications for steel pipes used in high-pressure applications typically include factors such as high tensile strength, corrosion resistance, and the ability to withstand extreme temperatures and pressures. These pipes are usually made from alloy or carbon steel with specific dimensional requirements, such as minimum wall thickness and diameter, to ensure their durability and safety under high-pressure conditions. Additionally, they may need to comply with industry standards and regulations, such as ASTM or ASME specifications, to ensure their quality and suitability for high-pressure applications.
- Q:Are steel pipes resistant to UV radiation?
- No, steel pipes are not inherently resistant to UV radiation. They can be affected by prolonged exposure to UV rays, leading to degradation and potential damage over time.
- Q:How are steel pipes tested for quality?
- Steel pipes are tested for quality through various methods, including visual inspection, non-destructive testing (NDT) techniques such as ultrasonic testing, magnetic particle testing, and radiographic testing. Additionally, mechanical properties like tensile strength, hardness, and toughness are evaluated to ensure the pipes meet the required specifications. Various standards and guidelines are followed to ensure the quality and safety of steel pipes.
- Q:What are the different manufacturing standards for steel pipes?
- There are several manufacturing standards for steel pipes that are widely recognized and implemented in the industry. These standards ensure that the steel pipes are produced to meet specific requirements and quality standards. Some of the most common manufacturing standards for steel pipes include: 1. American Society for Testing and Materials (ASTM): ASTM standards are widely used in the United States and cover a wide range of steel pipe specifications. These standards include specifications for seamless and welded steel pipes, as well as various grades and dimensions. 2. International Organization for Standardization (ISO): ISO standards are globally recognized and provide guidelines for the production of steel pipes. ISO standards cover areas such as dimensions, materials, testing, and quality control. 3. European Norm (EN): EN standards are applicable in Europe and provide specifications for various types of steel pipes. These standards cover aspects such as dimensions, materials, manufacturing processes, and testing. 4. Japanese Industrial Standards (JIS): JIS standards are widely used in Japan and have gained international recognition. These standards cover dimensions, materials, and testing methods for steel pipes. 5. British Standards (BS): BS standards are commonly used in the United Kingdom and cover a range of steel pipe specifications. These standards include requirements for dimensions, materials, and testing procedures. 6. American Petroleum Institute (API): API standards are specifically developed for the oil and gas industry and cover various aspects of steel pipe manufacturing. These standards include specifications for seamless and welded pipes used in oil and gas exploration, production, and transportation. It is important for manufacturers, buyers, and users of steel pipes to be aware of these standards to ensure the quality, compatibility, and reliability of the pipes. Compliance with these standards helps to ensure that the steel pipes meet the necessary requirements and are suitable for their intended applications.
- Q:What are the different wall thicknesses available for steel pipes?
- The different wall thicknesses available for steel pipes vary depending on the specific application and requirements. Common wall thicknesses for steel pipes include standard, extra strong, and double extra strong, with each thickness offering different levels of strength and durability.
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Galvanized welded steel pipe for any materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 12 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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