Cold Drawn Carbon Steel Seamless Pipe A335P2 CNBM
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 30 pc/month
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Quick Details
Thickness: | 1.2 - 20 mm | Section Shape: | Round | Outer Diameter: | 12.7 - 168 mm |
Secondary Or Not: | Non-secondary | Application: | Boiler Pipe | ||
Technique: | Cold Drawn | Certification: | PED | Surface Treatment: | oil coating |
Special Pipe: | Thick Wall Pipe | Alloy Or Not: | Is Alloy | ASTM A213: | T2,T5,T9,T11,T12,T22,T23,T91,T91 |
ASTM A335: | P1,P2,P5,P9,P11,P12,P22,P23,P91,P92 | DIN17175: | 15Mo3,10CrMo910,12CrMo195,13CrMo44 | Grade: | 12Cr1MoV,Cr5Mo,Cr9Mo,12Cr1MoVG,Cr5MoG,A335 P11,A335 P5,A335 P9,A335 P1,A213,A192,A210,A335 P12,A335 P23,St35.8,Cr-Mo alloy,A53-A369,ST35-ST52 |
Standard: | BS 3059-2,DIN EN 10216-1-2004,DIN 17175,ASTM A213-2001,ANSI A210-1996,ASTM A179-1990,BS,DIN,ASTM |
Packaging & Delivery
Packaging Detail: | Seaworthy export packing |
Delivery Detail: | 45 Days |
Specifications
Standard:ASTM A179,DIN17175
Material:SA179,ST35.8
Size:12*1.2-168*20
Manufacture:cold drawn
Heat treating: normalized
Product Description
Commodity: cold drawn carbon steel seamless pipe
Standard&material: ASTM A213 T2,T5,T9,T11,T12,T22,T23,T91,T92, ASTM A335 P1,P2,P5,P9,P11,P12,P22,P23,P91,P92, DIN17175 15Mo3,10CrMo910,12CrMo195,13CrMo44, and equivalent standard and material.
Size range: 12mm*1.2mm - 168mm*20mm
Manufacture method: cold rolled, cold drawn
Delivery condition: Normalized, Normalized and Tempered.
Mill test certificate as per EN10204 3.1B is available.
Third party inspection is acceptable.
Tubes will be ECT+UT.
Packaging & Shipping
Packing: tubes will be packed in bundles tied with steel strips.
Oil coating,varnish,or black painting to be confirmed.
End plastic caps to be confirmed.
External packing by knit bags.
Marking: to be confirmed.
- Q: What is the difference between internal and external coating for steel pipes?
- Internal coating for steel pipes refers to the application of a protective layer on the inner surface of the pipe. This coating is primarily used to prevent corrosion and to enhance the pipe's resistance to various chemicals present in the fluid being transported. The internal coating is typically applied using techniques such as spraying, brushing, or dipping, and it can be made of various materials such as epoxy, polyurethane, or cement mortar. On the other hand, external coating for steel pipes involves the application of a protective layer on the outer surface of the pipe. The purpose of this coating is to provide protection against environmental factors such as corrosion, abrasion, and impact. External coatings are usually applied using methods like wrapping or coating with materials like polyethylene, fusion-bonded epoxy, or asphalt enamel. In summary, the main difference between internal and external coating for steel pipes lies in their location and purpose. Internal coatings protect the inner surface of the pipe against corrosion and chemical attacks, while external coatings safeguard the outer surface from environmental damage. Both types of coatings are crucial for ensuring the longevity and reliability of steel pipes in various applications.
- Q: What's the difference between straight steel pipe and seamless steel pipe?
- Seamless steel pipe and welded pipe are separated because of different production process. Seamless steel tubes include hot rolling, cold rolling, cold drawing, and other rare, such as cold extrusion.
- Q: How are steel pipes protected against underground corrosion?
- Steel pipes are typically protected against underground corrosion through various methods such as coating the pipes with corrosion-resistant materials like epoxy or polyethylene, cathodic protection using sacrificial anodes or impressed current systems, and regular inspection and maintenance to detect and address any signs of corrosion.
- Q: What are the common problems or issues faced with steel pipes?
- Some common problems or issues faced with steel pipes include corrosion, leaks, blockages, and wear and tear. Corrosion can occur due to exposure to moisture or chemicals, leading to rust and weakening of the pipe. Leaks can arise from faulty connections or cracks in the pipe, resulting in water or gas leakage. Blockages can occur due to the accumulation of debris or mineral deposits, hindering the flow of fluids. Over time, steel pipes can also experience wear and tear, leading to erosion or cracks, which may require repair or replacement.
- Q: How are steel tubes represented?
- If you speak of steel pipe, if it is water. Gas transmission pipe, then it is said: nominal diameter refers to the inner diameter. The units are millimeters or inches. [for example, water pipes with phi 25. It means that the nominal diameter (diameter) is 25mm (or an inch) steel pipe.
- Q: How are steel pipes tested for pressure and leakage?
- To ensure the safety and reliability of steel pipes, various methods are employed to test them for pressure and leakage. Hydrostatic testing is a commonly used technique, whereby the pipe is filled with water and subjected to a specific pressure for a set period of time. This examination aims to detect any weaknesses or leaks by observing if there is a drop in pressure or visible water leakage. The test carefully monitors and measures the pressure, and if the pipe successfully withstands the required pressure without any signs of leakage, it is deemed to have passed. In addition to hydrostatic testing, other non-destructive methods can also be utilized. Ultrasonic testing, for instance, employs high-frequency sound waves to identify flaws or defects in the pipe material. Similarly, magnetic particle testing involves the application of a magnetic field to the pipe and inspecting it for any magnetic particles that may indicate cracks or imperfections. Furthermore, visual inspection is a crucial component of the pressure and leakage testing of steel pipes. Trained inspectors thoroughly examine both the exterior and interior surfaces of the pipe to detect any visible signs of damage, such as corrosion, cracks, or faulty welds. This visual assessment aids in identifying potential weak points that may lead to leaks or failures under pressure. In summary, a comprehensive evaluation of steel pipes for pressure and leakage involves a combination of hydrostatic testing, non-destructive methods, and visual inspection. These rigorous procedures guarantee that the pipes meet the required standards and are safe for their intended applications.
- Q: What are the different standards for steel pipe manufacturing?
- There are several standards for steel pipe manufacturing, including ASTM (American Society for Testing and Materials), API (American Petroleum Institute), DIN (Deutsches Institut für Normung), and JIS (Japanese Industrial Standards). These standards define the specifications for various aspects of steel pipe production, such as dimensions, material composition, mechanical properties, and testing procedures. Compliance with these standards ensures the quality and reliability of steel pipes for different applications, ranging from construction and infrastructure to oil and gas industries.
- Q: How are steel pipes used in the manufacturing of ships?
- Steel pipes are used in the manufacturing of ships for various purposes such as constructing the hull, supporting structural components, and facilitating the transportation of fluids and gases within the vessel.
- Q: Can steel pipes be used for underground sewer lines?
- Yes, steel pipes can be used for underground sewer lines. Steel pipes are commonly used in sewer systems due to their strength, durability, and resistance to corrosion. They are able to withstand the weight of soil and other external pressures, making them suitable for underground applications. Additionally, steel pipes have a long lifespan and can effectively transport wastewater and sewage for many years. However, it is important to ensure that the steel pipes are properly coated or lined to prevent corrosion and extend their lifespan even further.
- Q: What are the different types of supports used for steel pipes?
- The different types of supports used for steel pipes include pipe clamps, pipe hangers, pipe saddles, and pipe rollers. These supports are designed to securely hold and suspend the steel pipes in place, ensuring proper alignment and preventing sagging or movement.
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Cold Drawn Carbon Steel Seamless Pipe A335P2 CNBM
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 30 pc/month
OKorder Service Pledge
OKorder Financial Service
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