Seamless Steel Pipe JIS, GB, DIN, ASTM, API SCH40
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.
Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe.
2、Main Features of the Seamless Pipe:
• High working accuracy
• High strength
• Small inertia resistance
• Strong therming dissipine ability
• Good appearance
• Reasonble price
3、Seamless Pipe 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) Executive 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:
①How is the quality of your products?
We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.
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?
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 Images：
- Q: How are steel pipes graded?
- Steel pipes are graded based on several factors to determine their quality and suitability for specific applications. The grading system for steel pipes typically includes parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. Chemical composition: Steel pipes are graded based on the elements present in their composition. This includes the amount of carbon, manganese, phosphorus, sulfur, and other alloying elements. The chemical composition greatly influences the pipe's strength, corrosion resistance, and other properties. 2. Mechanical properties: The mechanical properties of steel pipes are crucial for determining their strength, flexibility, and resistance to pressure and temperature. These properties include tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally graded higher. 3. Manufacturing method: Steel pipes can be manufactured using various methods, such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method affects the pipe's integrity, dimensional accuracy, and overall quality. Seamless pipes, for example, are considered to have higher quality due to their uniformity and absence of weld seams. 4. Testing standards: Steel pipes are graded based on their adherence to specific testing standards. These standards ensure that the pipes meet the required quality criteria and are suitable for their intended applications. Common testing standards include ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and EN (European Norms). Based on these factors, steel pipes are often graded using alphanumeric codes or specifications. For instance, pipes used in oil and gas industry may be graded as API 5L (American Petroleum Institute) or pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, steel pipes are graded based on their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades help customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency in various industries.
- Q: How do steel pipes handle thermal expansion and contraction?
- Steel pipes handle thermal expansion and contraction by allowing for slight movement and flexibility. When heated, the steel pipe expands, and when cooled, it contracts. To accommodate these changes, expansion joints or loops are often incorporated into the pipe system. These joints or loops allow the pipe to expand and contract without causing stress or damage. Additionally, proper insulation and support are essential to minimize the effects of thermal expansion and contraction on steel pipes.
- Q: How are steel pipes used in the construction of pipelines?
- Steel pipes are commonly used in the construction of pipelines due to their durability, strength, and resistance to corrosion. These pipes are welded together to form a continuous line, allowing fluids or gases to be transported over long distances. The steel pipes are essential for ensuring a reliable and efficient flow of materials, such as oil, gas, or water, in various industries, including oil and gas, water supply, and infrastructure development.
- Q: Are steel pipes suitable for structural applications?
- Yes, steel pipes are suitable for structural applications due to their high strength, durability, and versatility. They are commonly used in various construction projects such as buildings, bridges, and infrastructure due to their ability to bear heavy loads, resist corrosion, and withstand extreme weather conditions.
- Q: What is the bending strength of steel pipes?
- The bending strength of steel pipes refers to the ability of a steel pipe to withstand bending forces without breaking or permanently deforming. The bending strength of steel pipes can vary depending on various factors such as the type and grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are known for their high strength and durability, making them suitable for a wide range of applications. The bending strength of steel pipes is typically expressed in terms of the maximum bending moment or the maximum stress that the pipe can withstand without failure. To determine the bending strength of a steel pipe, engineers and manufacturers use various testing methods such as three-point or four-point bending tests. These tests apply a known force or moment to the pipe and measure its deflection or stress response. The bending strength of steel pipes can also be influenced by the pipe's mechanical properties, including yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which play a vital role in its bending strength. It is important to note that the bending strength can vary depending on the specific application and load conditions. For example, pipes used in structural or load-bearing applications may require higher bending strength compared to pipes used for plumbing or conveyance purposes. In summary, the bending strength of steel pipes is determined by various factors such as the type and grade of steel, diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to evaluate the bending strength of steel pipes, ensuring their suitability for different applications and load conditions.
- Q: What is the outer diameter and wall thickness of DN40 steel pipe?
- DN40 pipe diameter 48.3mm diameter, allowable deviation of plus or minus 0.5mm it depends on what you have, the outside diameter of 45, there are other dimensions, you can see the manual
- Q: What are the safety measures to consider when working with steel pipes?
- When working with steel pipes, there are several safety measures to consider. Firstly, it is essential to wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and steel-toed boots to protect against potential hazards. Additionally, workers should be cautious of sharp edges and take necessary precautions to avoid cuts or lacerations. Furthermore, it is crucial to implement proper lifting techniques and use appropriate lifting equipment when handling heavy steel pipes to prevent back injuries. Adequate training and supervision should be provided to ensure workers are aware of the correct procedures. Another safety measure is to secure the pipes properly to prevent them from rolling or falling, which can cause injuries or damage. Regular inspections of the pipes and the work area should be conducted to identify and rectify any potential hazards. Lastly, workers should be trained on fire safety measures and have access to fire extinguishers or other firefighting equipment in case of emergencies. Proper ventilation should also be ensured when working with steel pipes to avoid inhalation of hazardous gases or fumes. Overall, adhering to safety protocols, using appropriate equipment, and being aware of potential hazards are crucial safety measures when working with steel pipes.
- Q: How are steel pipes tested for quality and strength?
- Steel pipes are tested for quality and strength through various methods such as destructive and non-destructive testing. Destructive testing includes tests like tensile, impact, and hardness tests, which measure the strength and durability of the pipes. Non-destructive testing methods like ultrasonic or X-ray examination are used to detect any defects or flaws in the pipes without causing any damage. These testing methods ensure that steel pipes meet the required quality and strength standards before being used in various applications.
- Q: Are steel pipes suitable for underground irrigation systems?
- Yes, steel pipes are suitable for underground irrigation systems. They are durable, resistant to corrosion, and can withstand high pressure, making them a reliable choice for transporting water underground.
- Q: What is the typical lifespan of steel pipes?
- The lifespan of steel pipes can differ based on several factors, including the steel quality, environmental conditions, and pipe maintenance and usage. On average, steel pipes typically last between 50 and 100 years. However, by installing them correctly, conducting regular inspections, and maintaining them appropriately, steel pipes can often surpass this lifespan and offer dependable service for many decades. It is worth noting that corrosion, erosion, and external damage can affect the longevity of steel pipes. Therefore, it is essential to implement preventive measures and carry out necessary repairs to guarantee their durability.
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Seamless Steel Pipe JIS, GB, DIN, ASTM, API SCH40
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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