2016 carbon Seamless Steel Pipe low price good quality
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 12000 m.t./month
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1、Structure of Carbon Seamless Steel Pipe API 5L of 4 Inch:
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell.
As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable.
Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
Standard: GB3087: Seamless Steel Tubes for Low and Medium Pressure Boiler
2、Main Features of the Seamless Pipe API 5L of 4 Inch
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless Pipe API 5L of 4 Inch Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, 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 |
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Seamless Pipe API 5L of 4 Inch:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q5: Is there a difference in thermal conductivity between stainless steel and steel?
A5: Yes. Stainless Steel has a lower thermal conductivity rate than steel; approximately 1/3 to 1/5th depending on the material.
Q6: Is there a difference in electrical conductivity between stainless steel and steel?
A6: Yes. Steel is generally more conductive than stainless steel. Steel has resistivity in the range of 10~20Ωm, while stainless has a resistivity of approximately 60~72Ωm.
6、Seamless Pipe API 5L of 4 Inch Images：
- Q: What are the environmental benefits of using steel pipes?
- There are several environmental benefits of using steel pipes: 1. Durability: Steel pipes have a long lifespan, which reduces the need for frequent replacements. This helps to conserve resources and reduces the amount of waste generated. 2. Recyclability: Steel is one of the most recycled materials in the world. When steel pipes reach the end of their life, they can be easily recycled and used to manufacture new steel products. This reduces the demand for raw materials and saves energy that would otherwise be required for the production of new materials. 3. Reduced carbon emissions: Steel pipes have a low carbon footprint compared to other materials like concrete or plastic. The manufacturing process for steel pipes produces fewer greenhouse gas emissions, contributing to a lower carbon footprint overall. 4. Resistance to corrosion: Steel pipes have high resistance to corrosion, which means they require less maintenance and repair compared to other materials. This reduces the use of chemical coatings and treatments that can have negative environmental impacts. 5. Water conservation: Steel pipes are commonly used for water supply and distribution systems. They have smooth interiors that minimize friction, reducing the amount of energy required to pump water through the pipes. This helps to conserve energy and decrease the carbon emissions associated with water transportation. 6. Fire resistance: Steel pipes are inherently fire-resistant, which makes them a safer choice for many applications. In the event of a fire, steel pipes can help to contain the spread of flames and minimize damage to the environment. Overall, the use of steel pipes offers numerous environmental benefits such as durability, recyclability, reduced carbon emissions, water conservation, and fire resistance. These factors make steel pipes a sustainable choice for various infrastructure projects.
- Q: How do steel pipes handle extreme temperatures?
- Steel pipes are highly durable and can handle extreme temperatures due to their inherent strength and heat resistance. They have a high melting point, allowing them to withstand both very high and very low temperatures without compromising their structural integrity. Additionally, steel pipes have excellent thermal conductivity, which enables them to efficiently transfer heat and prevent damage caused by extreme temperature fluctuations.
- Q: How are steel pipes used in the manufacturing of boilers and heat exchangers?
- Steel pipes are an essential component in the manufacturing of boilers and heat exchangers due to their unique properties and capabilities. These pipes are specifically designed to withstand high temperatures, pressures, and corrosive environments, making them ideal for these applications. In the manufacturing process of boilers, steel pipes are used to construct the main body or shell of the boiler. This shell contains the water or steam that is heated to generate heat or produce steam for various industrial processes. The steel pipes used in boilers are typically seamless or welded, with precise dimensions and high strength to ensure structural integrity and prevent leaks. Heat exchangers, on the other hand, are devices used to transfer heat between two fluids, often with different temperatures. Steel pipes are employed in heat exchangers as the primary medium for transferring heat. The pipes are usually arranged in a pattern, allowing the hot fluid to pass through one set of pipes while the cold fluid passes through another set. This arrangement enables efficient heat transfer between the two fluids. The use of steel pipes in boilers and heat exchangers offers several advantages. Firstly, steel pipes have excellent thermal conductivity, allowing for efficient heat transfer between the fluid and the surrounding environment. Secondly, steel pipes have high tensile strength and can withstand high pressure, ensuring the safety and reliability of the equipment. Thirdly, steel pipes are resistant to corrosion, which is crucial in environments where the fluids being processed are corrosive or contain impurities. Moreover, steel pipes can be easily fabricated and customized to meet the specific requirements of boilers and heat exchangers. They can be manufactured in various sizes, lengths, and thicknesses to accommodate different applications. Additionally, steel pipes can be coated or lined with materials such as ceramic or epoxy to provide further protection against corrosion or abrasion. In summary, steel pipes play a vital role in the manufacturing of boilers and heat exchangers. Their unique properties, including high strength, thermal conductivity, and corrosion resistance, make them the ideal choice for these applications. The use of steel pipes ensures the efficient operation, safety, and longevity of boilers and heat exchangers in various industrial processes.
- Q: How do steel pipes handle pressure surges?
- Steel pipes possess exceptional strength and durability, enabling them to effectively manage pressure surges. When pressure surges arise within a pipeline system, steel pipes exhibit the capability to withstand and absorb heightened forces without experiencing breakage or rupture. The commendable tensile strength of steel grants resistance against the pressure imposed upon the pipes, preventing deformation or collapse during sudden surges. Furthermore, steel pipes possess a commendable burst pressure rating, signifying their capacity to endure substantial pressure increases without succumbing to failure. Additionally, steel pipes are frequently engineered with thicker walls, bolstering their capacity to handle pressure surges. The increased wall thickness assists in distributing the augmented force evenly, thereby minimizing the possibility of localized stress and potential points of failure. Moreover, steel pipes are frequently employed in conjunction with fittings and valves specially designed to tackle pressure surges. These fittings and valves are composed of similar materials, ensuring compatibility and preserving the integrity of the pipeline system. All in all, steel pipes are excellently suited to manage pressure surges due to their strength, durability, and ability to endure high pressures. Their resistance to deformation, notable burst pressure rating, and compatibility with specialized fittings and valves render them a dependable choice for applications where pressure surges may arise.
- Q: How are steel pipes used in the construction of dams?
- Steel pipes are used in the construction of dams for various purposes such as water intake/outlet systems, penstocks, and spillway gates. These pipes are essential for transporting water to and from the dam, controlling the flow, and ensuring the dam's stability.
- Q: What is the difference between steel pipes and concrete pipes?
- Steel pipes and concrete pipes differ in their composition, construction, and characteristics. Steel pipes are made from steel, whereas concrete pipes are made from a mixture of cement, sand, aggregate, and water. Steel pipes are known for their strength, durability, and resistance to corrosion, making them suitable for high-pressure applications and underground installations. Concrete pipes, on the other hand, are renowned for their affordability, ease of installation, and resistance to fire. They are commonly used in stormwater drainage systems and sewerage networks. Overall, the choice between steel pipes and concrete pipes depends on the specific requirements of the project, such as budget, load-bearing capacity, and environmental factors.
- Q: Are steel pipes suitable for use in pharmaceutical industries?
- Yes, steel pipes are suitable for use in pharmaceutical industries. Steel pipes are known for their durability, strength, and resistance to corrosion. These qualities make them ideal for transporting chemicals, gases, and liquids safely and efficiently within pharmaceutical facilities. Additionally, steel pipes can be easily cleaned and sanitized, ensuring the maintenance of high hygienic standards required in the pharmaceutical industry.
- Q: What is the bending strength of steel pipes?
- The bending strength of steel pipes can vary depending on factors such as the grade and thickness of the steel, as well as the specific manufacturing process. However, in general, steel pipes are known for their high bending strength due to the inherent strength and durability of the material.
- Q: Are steel pipes suitable for underground gas lines?
- Yes, steel pipes are suitable for underground gas lines. They are commonly used due to their strength, durability, and resistance to corrosion, making them a reliable choice for transporting and distributing gas underground.
- Q: What are the different types of coatings used on steel pipes?
- Steel pipes can be coated with various types of coatings to increase their durability and protect them from corrosion. Some commonly used coatings are: 1. Fusion-Bonded Epoxy (FBE) Coating: The steel pipe is heated and the epoxy powder is melted and fused to the surface. FBE coatings offer excellent corrosion resistance and are widely used in water pipelines and the oil and gas industry. 2. Polyethylene (PE) Coating: Similar to FBE coatings, PE coatings are applied to steel pipes. They provide a protective layer that is resistant to moisture, chemicals, and abrasion. PE coatings are commonly used in gas pipelines and underground water pipelines. 3. Polypropylene (PP) Coating: PP coatings have similar application processes and protective qualities as PE coatings. However, they offer enhanced resistance to higher temperatures, making them suitable for chemical processing plants and refineries. 4. Concrete Weight Coating (CWC): This special coating involves applying a layer of concrete to the steel pipe. It adds weight to the pipe, making it more stable and resistant to buoyancy in underwater or submerged applications. 5. Zinc Coating: Zinc coatings, such as hot-dip galvanizing, involve immersing the steel pipe in molten zinc. This creates a protective layer of zinc on the pipe's surface, offering excellent corrosion resistance. Zinc coatings are commonly used in outdoor applications, such as fencing, guardrails, and water pipelines. 6. Bituminous Coating: Bituminous coatings involve applying a layer of bitumen or asphalt to the steel pipe. They provide excellent resistance to water and chemicals, making them suitable for underground pipelines and structures. These examples illustrate the variety of coatings available for steel pipes. The choice of coating depends on factors like the intended application, environmental conditions, and desired level of corrosion resistance.
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2016 carbon Seamless Steel Pipe low price good quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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