Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes factory
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 90000 m.t./month
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1、Structure of Seamless Pipe JIS G3461/ G3462:
Seamless steel pipes, a large number of used pipes conveying fluids, such as transport oil, natural gas, gas, water pipes and some solid materials, and so on. Compared to other steel and solid steel bar, the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle rack and construction using steel scaffolding ring with steel pipe manufacturing parts, can improve material utilization, simplify the manufacturing process, saving material and machining time, such as bearing rings, jack sets, has been widely used to manufacture steel. Steel or a variety of conventional weapons indispensable material, gun barrels to make steel. Steel shapes in different cross-sectional area can be divided into tube and shaped tubes. As in the perimeter of equal conditions, the largest area of a circle with a circular tube can carry more fluid. In addition, the circular cross section to withstand internal or external radial pressure, the force is uniform, so the vast majority of the pipe is pipe.
Standard: JIS G3461/ G3462: Carbon steel tubes for boiler and heat exchanger/
alloy steel tubes for boiler and heat exchanger tubes
● Application: JIS G3461 is for Carbon steel tubes for boiler and heat exchanger
JIS G3462 is for alloy steel tubes for boiler and heat exchanger tubes
● Steel Grade: STB 340,410,510; STBA12, 13, 20,22,23,24
2、Main Features of the Seamless Pipe JIS G3461/ G3462:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless Pipe ASTM A106/53 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 |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
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 of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
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 JIS G3461/ G3462:
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.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、Seamless Pipe JIS G3461/ G3462 Images
- Q: How do steel pipes compare to other materials, such as PVC or copper?
- Steel pipes have several advantages over other materials such as PVC or copper. Firstly, steel pipes are incredibly durable and strong, making them suitable for heavy-duty applications and high-pressure environments. Additionally, steel pipes have a longer lifespan compared to PVC or copper, as they are less prone to cracking, corrosion, or degradation. Steel pipes also provide better fire resistance and are more resistant to extreme temperatures. However, steel pipes can be more expensive and require professional installation due to their weight and rigidity. PVC pipes, on the other hand, are lightweight, affordable, and easy to install, but they may not be as durable or suitable for certain applications. Copper pipes offer excellent corrosion resistance and are commonly used for water supply systems, but they can be more expensive and require skilled labor to install. Ultimately, the choice between steel, PVC, or copper pipes depends on the specific requirements of the project and the desired balance of cost, durability, and performance.
- Q: What is the difference between internal and external coating for steel pipes?
- A protective layer is applied to the inner surface of steel pipes, which is known as internal coating. The main purpose of this coating is to prevent corrosion and enhance resistance against chemicals present in the fluid being transported. Techniques like spraying, brushing, or dipping are commonly used to apply the internal coating, and it can be made of materials such as epoxy, polyurethane, or cement mortar. On the contrary, external coating involves the application of a protective layer on the outer surface of steel pipes. The main objective of this coating is to protect against environmental factors like corrosion, abrasion, and impact. External coatings are usually applied through methods like wrapping or coating with materials such as polyethylene, fusion-bonded epoxy, or asphalt enamel. To summarize, the primary difference between internal and external coating for steel pipes lies in their location and purpose. Internal coatings safeguard the inner surface from corrosion and chemical attacks, while external coatings provide protection against environmental damage on the outer surface. Both types of coatings are essential to ensure the durability and reliability of steel pipes in various applications.
- Q: How do you determine the required wall thickness for steel pipes?
- The determination of the necessary wall thickness for steel pipes involves the consideration of multiple factors and calculations. One of the main factors to be taken into account is the pressure to which the pipe will be exposed. As the pressure increases, a thicker wall is required to guarantee that the pipe can endure the internal forces. The material strength of the steel used for the pipe is also a significant factor. Different steel grades possess varying tensile strengths, which directly impact the required wall thickness. Tensile strength refers to the maximum stress a material can withstand before failing, making it crucial to select a steel grade capable of withstanding the expected pressure. Furthermore, the pipe's diameter is influential in determining the necessary wall thickness. Pipes with larger diameters typically necessitate thicker walls to maintain their structural integrity and prevent deformation under pressure. Engineers employ industry standards and formulas to calculate the required wall thickness. The American Society of Mechanical Engineers (ASME) B31 code is the most widely used standard, offering guidelines for designing pressure piping systems. The ASME code integrates safety margins, material properties, and pressure ratings to determine the appropriate wall thickness. Other factors, such as temperature, corrosion, and external loads, can also influence the necessary wall thickness. For instance, applications involving high temperatures may require thicker walls to prevent buckling or softening of the pipe. In conclusion, the determination of the required wall thickness for steel pipes involves the consideration of pressure, material strength, diameter, temperature, and other external forces. Engineers rely on industry standards and calculations to ensure the pipe's ability to safely withstand the intended operating conditions.
- Q: How are steel pipes used in the manufacturing of heat exchangers?
- Steel pipes are commonly used in the manufacturing of heat exchangers due to their high strength and durability. They serve as the primary components for carrying hot or cold fluids within the heat exchanger system. The steel pipes facilitate the efficient transfer of heat between the two fluids by offering excellent thermal conductivity. Additionally, the corrosion-resistant properties of steel ensure the longevity and reliability of the heat exchanger, making it suitable for various industrial applications.
- Q: How are steel pipes coated for insulation purposes?
- Various methods and materials are commonly used to coat steel pipes for insulation. One method involves applying a thermal insulation coating, typically made of a high-performance polymer or epoxy-based material, to the surface of the pipe. To ensure proper adhesion of the coating, the steel pipe is first thoroughly cleaned to remove dirt, grease, and rust. This cleaning process, known as abrasive blasting, involves propelling small particles at high speed to remove contaminants and create a clean, rough surface. Once the surface is prepared, the thermal insulation coating is applied using techniques such as spraying, brushing, or rolling. Multiple layers of the coating are carefully applied to ensure adequate coverage and thickness. This forms a protective barrier between the steel pipe and the external environment, preventing heat transfer and reducing energy loss. In addition to thermal insulation coatings, steel pipes can also be coated with materials like polyurethane foam or mineral wool. These materials offer excellent thermal insulation properties and are often used in applications where high-temperature resistance is necessary. Overall, the insulation of steel pipes involves a combination of surface preparation and the application of specialized coatings. These coatings serve to minimize heat loss, improve energy efficiency, and protect against corrosion and other environmental factors.
- Q: How are steel pipes handled and transported safely?
- Steel pipes are handled and transported safely by following certain protocols. Firstly, they are properly secured and stacked in a way that prevents any movement or damage during transportation. The pipes are often bundled together using steel bands or straps to ensure stability. Additionally, specialized equipment such as cranes, forklifts, or pipe handling systems are used to lift and move the pipes with care. Adequate protective measures, such as using cushioning materials and covers, are taken to prevent corrosion or external damage. Furthermore, proper training is provided to workers involved in handling and transportation to ensure they follow safety guidelines and use appropriate lifting techniques. Overall, a combination of careful planning, secure packaging, and trained personnel contribute to the safe handling and transportation of steel pipes.
- Q: Galvanized steel pipe DN100 and SC100
- Zinc plating, hot dip galvanizing and cold galvanizing, to see the design instructions and design requirements, which will explain
- Q: What is the maximum allowable pressure for steel pipes?
- The maximum allowable pressure for steel pipes typically depends on various factors such as the pipe's diameter, thickness, and material grade. Additionally, it is crucial to consider the intended application and the specific industry standards or codes being followed. Therefore, there is no universal answer to this question, as the maximum allowable pressure can vary significantly depending on these factors. It is essential to consult relevant codes and standards specific to the application to determine the appropriate maximum allowable pressure for steel pipes.
- Q: How are steel pipes transported?
- Steel pipes can be transported using various methods depending on their size, weight, and distance to be covered. The most common modes of transportation for steel pipes include trucks, trains, and ships. For short distances, steel pipes are often transported using trucks. They are loaded onto flatbed trailers or in some cases, specialized pipe trailers that are specifically designed to securely hold and transport pipes. These trucks can easily navigate local roads and highways, making them a convenient option for transporting steel pipes to nearby locations or construction sites. When it comes to long-distance transportation, trains are commonly used. Steel pipes are loaded onto flatcars, which are specifically designed to carry heavy loads. This method is preferred when transporting large quantities of steel pipes over long distances, as trains provide a cost-effective and efficient means of transportation. Moreover, trains are capable of transporting pipes of various lengths and diameters, making them a versatile option. For international shipments or transportation over bodies of water, steel pipes are often transported by ships. Steel pipes can be loaded into shipping containers or onto the deck of a cargo ship. Shipping containers provide protection from weather conditions and ensure the pipes remain secure during transit. Additionally, specialized ships equipped with cranes can handle large and heavy pipes, facilitating the transportation of oversized steel pipes. In some cases, pipelines can also be constructed to transport steel pipes directly from the manufacturing facility to the desired location. This method is commonly used for projects involving oil, gas, or water pipelines. The pipes are laid underground, eliminating the need for separate transportation. Overall, the transportation of steel pipes involves a variety of methods, including trucks, trains, ships, and pipelines, depending on the distance, quantity, and specific requirements of the project. Each method has its advantages and is chosen based on factors such as cost, efficiency, and logistics.
- Q: How are steel pipes used in geothermal energy systems?
- Steel pipes are used in geothermal energy systems to transport the hot water or steam from the underground reservoir to the surface. These pipes are resistant to high temperatures and corrosion, ensuring the safe and efficient transfer of geothermal fluids. Additionally, steel pipes provide durability and strength, making them suitable for the harsh conditions of geothermal environments.
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Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes factory
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 90000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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