20# Seamless steel black pipe ASTM A106/API 5L/ASTM A106 GR.B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000 m.t./month
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1. Commodity Name: Seamless steel pipe
2. Standard: API,GB,ASTM,ASME,DIN
3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.
4. Dimension:
OD: 1/2"-24"
WT: 2.5-80mm, SCH10~SCH40~XXL
length: 5.8m,6m,8m,9m,12m
5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn
6. application
carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.
7. Payment Terms: L/C D/A D/P T/T
8.packing and shipment
Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing
For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.
9. Surface: painted with varnish;
10. Plastic caps at ends.
11. Tolerance: OD +1%/-1%
WT +12.5%/-10%
12. Chemical composition:
Models of Steel Pipes | Chemical Component | |||||||
Steel 20 (ASTM A106B) | C | Si | Mn | P | S | Cu | Ni | Cr |
0.17~0.24 | 0.17~0.37 | 0.35~0.65 | 0.035max | 0.035max | 0.25max | 0.25max | 0.25max | |
Steel45 (ASTM 1045) | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | 0.035max | 0.035max | 0.25max | 0.25max | 0.25max |
16Mn(Q345B) | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | 0.035max | 0.035max | 0.25max | 0.25max | 0.25max |
45Mn2 ( ASTM1345) | 0.42~0.49 | 0.17~0.37 | 1.40~1.80 | 0.035max | 0.035max | 0.3max | 0.3max | 0.30max |
- Q:What are the advantages of using steel pipes in the manufacturing of storage tanks?
- There are several advantages of using steel pipes in the manufacturing of storage tanks. Firstly, steel pipes are highly durable and have a long lifespan, making them capable of withstanding high pressure and harsh environmental conditions. Secondly, steel pipes offer excellent resistance to corrosion, ensuring the integrity of the storage tank and preventing any leakage or contamination. Additionally, steel pipes are flexible and can be easily fabricated into various shapes and sizes, allowing for customization based on specific storage requirements. Lastly, steel pipes are cost-effective and readily available, making them a popular choice in the manufacturing industry.
- Q:How do you determine the required support spacing for steel pipes?
- The required support spacing for steel pipes is determined based on several factors including the pipe material, size, weight, and operating conditions. Generally, industry standards and guidelines such as those provided by the American Society of Mechanical Engineers (ASME) are followed to calculate the appropriate spacing. These standards take into account factors such as pipe deflection, thermal expansion, vibration, and load-bearing capacity to ensure the pipes are adequately supported and do not experience excessive stress or deformation.
- Q:Is there a weld on the outer wall of seamless steel tube?
- Seamless steel pipe, not seamless steel pipe, seamless steel pipe, welded seam, how can it be called seamless pipe?. Tell you a method: measurement of wall thickness, multi test several points, if each point, that is because it is cold drawn pipe, seamless pipe, hot rolling, wall thickness may% by sample.
- Q:How do steel pipes resist corrosion?
- Steel pipes resist corrosion through a process called passivation, wherein a protective layer of oxide forms on the surface of the steel, preventing further oxidation and corrosion. Additionally, the pipes can be coated with anti-corrosive materials or undergo treatments such as galvanization or lining to enhance their resistance against corrosion.
- Q:Can steel pipes be used for underground chemical pipelines?
- Indeed, underground chemical pipelines can utilize steel pipes. The chemical industry, among other industries, extensively employs steel pipes owing to their robustness, potency, and resistance to corrosion. To ensure suitability for underground chemical pipelines, it is crucial to select an appropriate steel grade that can withstand corrosion from the specific chemicals being transported. Furthermore, the resistance of steel pipes to chemical corrosion can be further augmented through the implementation of suitable coating and lining techniques. Regular inspection and maintenance are imperative to guarantee the integrity and safety of the underground chemical pipeline system.
- Q:What is the difference between seamless steel pipes and seamless stainless steel pipes?
- The main difference between seamless steel pipes and seamless stainless steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, while seamless stainless steel pipes are made from an alloy of stainless steel, which contains chromium and nickel. This alloy gives stainless steel pipes their unique properties such as corrosion resistance, durability, and a shiny appearance. Additionally, stainless steel pipes are often used in applications where hygiene and sanitation are crucial, such as in the food and pharmaceutical industries.
- Q:Are steel pipes suitable for use in acidic environments?
- Steel pipes may not be suitable for use in acidic environments because they can corrode and degrade when exposed to acids, leading to potential leaks and structural issues.
- Q:What are the main components of a steel pipe?
- The main components of a steel pipe are the base metal, which is typically made of carbon steel or alloy steel, and the protective coating, which is applied to prevent corrosion and enhance durability. Additionally, joints or connections are important components that allow for the seamless connection of multiple pipes.
- Q:How are steel pipes used in water treatment plants?
- Steel pipes are commonly used in water treatment plants to transport and distribute water throughout the facility. They are used for various purposes such as conveying raw water from the source to the treatment plant, transporting treated water to storage tanks or distribution points, and carrying chemicals or additives used in the treatment process. Steel pipes are preferred due to their durability, strength, and resistance to corrosion, ensuring the safe and efficient flow of water within the plant.
- Q:What are the different coating options available for steel pipes?
- There are several different coating options available for steel pipes, including epoxy coatings, polyethylene coatings, zinc coatings, and asphalt coatings. These coatings are applied to the exterior of the pipes to provide protection against corrosion, abrasion, and other environmental factors. Each coating option offers different benefits and is chosen based on the specific requirements of the project or application.
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20# Seamless steel black pipe ASTM A106/API 5L/ASTM A106 GR.B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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