Tube For Hydraulic Pillar Service Grade 35# Seamless Steel Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- Negotiable m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Seamless Steel pipes
Standard of Tube For Hydraulic Pillar Service Grade 35# Seamless Steel Pipe
API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1
Description of Tube For Hydraulic Pillar Service Grade 35# Seamless Steel Pipe
Product name | ASTM A106 Gr.B /API 5LGr.B Seamless steel pipe |
Outside Diameter | 10.3-1020mm |
Wall Thickness | 4-90mm |
Standard | DIN ASTM API GB |
Material | 10# 20# 45# Q235 Q195 Q345 |
Origin | China |
Certificate | API5L ISO9000 API 5CT |
Technique | hot rolled |
application | use for oil well, boilers, precision machines, petro-chemical, ship, structure pipe, building, fluid tubes, line pipe etc |
Testing | we have professional testing equipments such as ultrasonic testing machine, eddy current testing machine, mechanics testing machine to make sure high quality |
Tolerance: | WT TOLERANCE-5%+5% |
Min Order | 5 TON |
Usage | Petroleum and natural gas industry, chemical industry, electric industry, flammable and non-flammable liquid transportation and steel construction, drainage project and city construction etc. |
Package | in bulk , in bundle, standard seaworthy package |
Length | 1-12M |
Delivery time | 15-20 days after received the advanced payment |
Packing | Black paint or varnish ,plastic caps with the both ends |
CHEMICAL COMPOSITION (%)
C (Max) | Mn(Max) | Si(Max) | S(Max) | P(Max) |
0.22 | 1.6 | 0.5 | 0.035 | 0.035 |
MECHANICAL PROPERTIES
Elongation(Min) | Y.S (Min.) | UTS (Min.) |
≥15 | 470 N/MM2 | 580 N/MM2 |
- Q: What are the factors that affect the price of steel pipes?
- There are several factors that can affect the price of steel pipes. Some of the key factors include the cost of raw materials such as iron ore and steel scrap, market demand and supply dynamics, production and transportation costs, tariffs and trade policies, currency exchange rates, and overall economic conditions. Additionally, factors like technological advancements, environmental regulations, and changes in industry standards can also impact the pricing of steel pipes.
- Q: What are the safety precautions to follow while working with steel pipes?
- When working with steel pipes, it is important to follow several safety precautions to ensure a safe working environment. These precautions include wearing appropriate personal protective equipment (PPE), such as gloves, steel-toed boots, and safety glasses, to protect against potential hazards. It is also crucial to inspect the pipes for any defects or damage before use to avoid accidents. Additionally, workers should be trained on proper handling and lifting techniques to prevent strains or injuries. Finally, it is essential to establish clear communication and adhere to safety protocols, such as using caution signs and barriers, to promote a safe work area for everyone involved.
- Q: What are the factors to consider when designing a steel pipe system?
- When designing a steel pipe system, several factors need to be considered. Firstly, the intended purpose of the system and the materials that will be transported through it are crucial. This determines the required pipe diameter, thickness, and material type to ensure compatibility and prevent corrosion or leakage. Secondly, the operating conditions, such as temperature, pressure, and flow rate, must be examined to select pipes with suitable strength and resistance properties. Additionally, factors like environmental conditions, including soil characteristics and exposure to chemicals or natural elements, should be evaluated to determine the necessary protective coatings or insulation. Lastly, considerations like installation requirements, regulatory compliance, and maintenance accessibility should be taken into account to design a practical and efficient steel pipe system.
- Q: How are steel pipes used in petrochemical plants?
- Steel pipes are widely used in petrochemical plants for various applications including transportation of fluids such as oil, gas, and chemicals. They are used to connect different components of the plant, such as pumps, tanks, and vessels, allowing for the efficient and safe movement of these substances. Steel pipes in petrochemical plants are designed to withstand high pressure and extreme temperatures, ensuring the reliability and durability of the entire system.
- Q: How are steel pipes recycled?
- Steel pipes are recycled through a multi-step process that involves collection, sorting, cleaning, and melting. First, the used steel pipes are gathered from various sources such as construction sites or industrial facilities. Then, they are sorted based on their size, shape, and quality. Next, any contaminants or coatings are removed from the pipes through cleaning and stripping processes. Finally, the cleaned pipes are melted down in a furnace, and the molten steel is formed into new pipes or other steel products. This recycling process reduces the demand for new raw materials and helps conserve energy and resources.
- Q: What is the difference between ERW (Electric Resistance Welded) and LSAW (Longitudinal Submerged Arc Welded) steel pipes?
- ERW steel pipes are manufactured by high-frequency electrical currents passing through the metal, resulting in a welded joint. On the other hand, LSAW steel pipes are produced by submerging a metal plate into a welding zone, creating a welded joint through the use of a welding arc. The main difference lies in the welding process, with ERW pipes being more suitable for small to medium-sized diameters, while LSAW pipes are commonly used for larger diameter and thicker-walled applications.
- Q: What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
- DN refers to the nominal diameter of the pipe, but this is neither the outside diameter nor the inside diameter, and the "Phi" means the outer diameter of the steel pipe. For example, the same nominal diameter of the steel pipe due to its different wall thickness, corresponding to the outer diameter is also different. As can be seen from the chart below:Project control table (commonly used) diameter pressure pipe standard pressure pipe standard pressure pipe standard specification DN- nominal diameter: diameter of large diameter series DN15- 22mm DN20- 27mm DN25- phi, Phi Phi Phi Phi 34mm, DN32- 42mm DN40- 48mm DN50- 60mm DN65-, Phi Phi 76 (73) mm, DN80- 89mm DN100- 114mm DN125- and Phi Phi Phi. 140mm DN150- 168mm DN200- 219mm DN250- phi, Phi Phi Phi Phi 273mm, DN300- 324mm DN350- 360mm DN400- 406mm DN450- 457mm DN500- and Phi Phi Phi Phi, 508mm DN600- 610mm, DN15- 18mm series of small diameter Phi Phi Phi, DN20- 25mm DN25- 32mm DN32- 38mm DN40- 45mm DN50- Phi Phi, Phi Phi Phi 57mm DN65- 73mm, DN80- 89mm DN100- 108mm, DN125- 133mm DN150- 159mm DN200- and Phi Phi Phi Phi, 219mm DN250- 273mm DN300- 325mm DN350- 377mm, Phi phi,
- Q: How are steel pipes measured and categorized?
- Typically, steel pipes are measured and categorized by their outer diameter, wall thickness, and length. The outer diameter represents the width of the pipe when viewed from the side, while the wall thickness refers to how thick the pipe's walls are. These measurements are usually given in millimeters or inches. Categorizing steel pipes is done based on their purpose and specifications. The most common way to categorize them is by their pressure rating, which determines their ability to handle different levels of internal or external pressure. Pipes are divided into different pressure classes, like Schedule 40, Schedule 80, and Schedule 160, to name a few. The higher the pressure class, the thicker and stronger the pipe is. Steel pipes can also be categorized according to their manufacturing process and material composition. For instance, seamless steel pipes are created by piercing a solid steel bar to create a hollow tube, while welded steel pipes are made by rolling and welding a flat steel sheet or strip into a cylindrical shape. Additionally, steel pipes can be classified based on their material composition, such as carbon steel pipes, stainless steel pipes, or alloy steel pipes. Another way to categorize steel pipes is by their end connections or fittings. Common types of pipe ends include threaded ends, which are suitable for attaching fittings by screwing them onto the pipe, and plain ends, which are typically used for welding or flanging connections. In conclusion, the measurement and categorization of steel pipes are crucial for ensuring the proper selection and usage of these pipes in various industries, including construction, oil and gas, plumbing, and manufacturing.
- Q: How do you calculate the flow velocity in a steel pipe?
- To calculate the flow velocity in a steel pipe, you need to consider the principles of fluid mechanics and apply relevant equations. The most commonly used equation to calculate flow velocity is the Bernoulli equation, which relates the pressure, velocity, and elevation of a fluid. First, you need to determine the volumetric flow rate (Q) of the fluid passing through the pipe. This can be done by measuring the mass flow rate (m) or the volumetric flow rate directly using a flow meter. Once you have the volumetric flow rate, you can proceed with calculating the flow velocity (V). The flow velocity (V) is obtained by dividing the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r is the radius of the pipe. Therefore, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A Keep in mind that this calculation assumes an ideal flow condition and does not account for any frictional losses or other factors that may affect the flow. In real-world scenarios, it is essential to consider additional factors like pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of flow velocity.
- Q: How can steel pipes be protected from corrosion?
- Steel pipes can be protected from corrosion through various methods. One common method is the application of protective coatings. These coatings act as a barrier between the steel and corrosive elements in the environment. The most widely used protective coating for steel pipes is epoxy, which provides excellent resistance to corrosion. Other coatings such as polyethylene and polyurethane can also be used depending on the specific application and requirements. Another effective way to protect steel pipes from corrosion is by cathodic protection. This technique involves the use of sacrificial anodes or impressed current systems to prevent corrosion. Sacrificial anodes, typically made of zinc or aluminum, are attached to the steel pipes. These anodes corrode instead of the steel, sacrificing themselves to protect the pipes. Impressed current systems, on the other hand, use a direct electrical current to counteract the corrosion process. Regular maintenance and inspection are crucial in the protection of steel pipes from corrosion. Monitoring the condition of the coatings, checking for any signs of damage or deterioration, and promptly addressing any issues can help prevent corrosion from occurring or spreading. Additionally, implementing proper drainage systems to avoid the accumulation of moisture around the pipes can further protect them from corrosion. Lastly, environmental factors should be taken into consideration when protecting steel pipes from corrosion. This includes mitigating exposure to corrosive substances, such as acids or chemicals, and ensuring proper ventilation and airflow to prevent the buildup of moisture and humidity. By implementing a combination of these protective measures, steel pipes can have an extended lifespan and maintain their structural integrity.
Perfect detection system, our physical & chemical laboratory is equipped with test facilities included spectrum detection and metallographic analysis etc. The company has successively passed ISO9000 quality system, the American Petroleum Institute API, and also earned the environment healthy license, national special equipment manufacturing license.
1. Manufacturer Overview
| Location | Henan, China |
| Year Established | 2001 |
| Annual Output Value | 800,000Tons |
| Main Markets | Europe and the United States; Canada; India; South etc. |
| Company Certifications | API 5L; API 5CT; GB/T19001-2000 idt ISO9001:2000 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Qingdao; Lianyungang |
| Export Percentage | 50% - 60% |
| No.of Employees in Trade Department | 1000-1100 People |
| Language Spoken: | English; Chinese; Spanish |
| b) Factory Information | |
| Factory Size: | Above 423,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | Average |
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Tube For Hydraulic Pillar Service Grade 35# Seamless Steel Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- Negotiable m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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