Seamless pipe API,GB,ASTM,ASME,DIN high quality
- Ref Price:
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
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- Quality Product
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- Timely Delivery
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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:
- Steel pipes are highly resistant to chemical substances due to their inherent strength and durability. They can effectively handle a wide range of chemical substances without corroding or degrading. Additionally, steel pipes can be further protected by coatings or linings to enhance their resistance to specific chemicals.
- Q:
- Steel pipes can be classified based on their end connections into three main categories: threaded, socket-weld, and butt-weld.
- Q:
- Yes, steel pipes can be used for LNG terminals. Steel pipes are commonly used in the construction of LNG terminals due to their durability, strength, and resistance to extreme temperatures. Additionally, steel pipes can effectively handle the high-pressure requirements of LNG transportation and storage.
- Q:
- The fire rating of steel pipes can vary depending on factors such as the thickness of the pipe, the type of insulation or fireproofing materials used, and the specific application or building codes. However, steel pipes are generally considered to have good fire resistance properties due to their non-combustible nature and ability to withstand high temperatures.
- Q:
- Yes, steel pipes are suitable for underground mining operations. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for use in harsh underground mining environments. They can withstand high pressure and are capable of transporting various substances, such as water, air, or mining materials, with reliability and efficiency. Additionally, steel pipes can be customized to meet specific mining requirements, ensuring their suitability for underground operations.
- Q:
- Steel pipes are protected against mechanical damage through various methods such as applying coatings, using protective sleeves or wraps, implementing proper handling techniques, and employing impact-resistant materials in high-risk areas.
- Q:
- The lifespan of steel pipes can vary depending on various factors such as the quality of the steel, usage conditions, maintenance, and external factors like corrosion. However, properly installed and maintained steel pipes can typically last for several decades or even a century.
- Q:
- The maximum allowable stress for steel pipes depends on various factors such as the grade of steel, diameter, wall thickness, and the intended application. It is typically determined by industry standards and codes, such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. Therefore, there is no one-size-fits-all answer to this question.
- Q:
- Steel pipes are commonly used in the pulp and paper industry for various applications including transporting water, steam, and chemicals throughout the manufacturing process. They are also used for conveying pulp and paper products, as well as for supporting structures such as boiler systems and storage tanks.
- Q:
- There are several different types of steel pipe valves that are commonly used in various industries and applications. Here are some of the most common types: 1. Gate valves: These valves are designed to control the flow of fluid by lifting or lowering a gate or wedge that obstructs the flow path. They provide a tight seal when closed and are commonly used in applications that require a full flow or complete shut-off. 2. Globe valves: Globe valves have a globe-shaped body and a movable plug or disc that regulates the flow of fluid. They offer good throttling capabilities and are used in applications where precise control of flow is required. 3. Ball valves: Ball valves use a rotating ball with a hole in it to control the flow of fluid. When the hole is aligned with the pipe, the valve is fully open, and when the hole is perpendicular to the pipe, the valve is closed. Ball valves are durable, reliable, and commonly used in applications that require quick and easy shut-off. 4. Check valves: Check valves allow fluid to flow in only one direction and prevent backflow. They are often used to prevent damage to pumps, compressors, and other equipment by preventing reverse flow. 5. Butterfly valves: Butterfly valves have a disc that rotates within the pipe to control the flow of fluid. They are lightweight, compact, and offer a quick shut-off. Butterfly valves are commonly used in large-scale applications such as water treatment and HVAC systems. 6. Plug valves: Plug valves have a cylindrical or conical plug that rotates within the valve body to control flow. They are simple in design, easy to operate, and offer reliable shut-off capabilities. Plug valves are commonly used in applications that require frequent operation and high pressure ratings. 7. Diaphragm valves: Diaphragm valves use a flexible diaphragm to control the flow of fluid. When the diaphragm is pressed against the valve seat, the flow is blocked, and when the diaphragm is lifted, the flow is allowed. Diaphragm valves are commonly used in applications that require a sterile or hygienic environment. These are just a few examples of the different types of steel pipe valves available in the market. The choice of valve depends on the specific application requirements, such as flow rate, pressure, temperature, and the type of fluid being transported.
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