• Carbon Steel Seamless Pipes From Okorder API 5L System 1
  • Carbon Steel Seamless Pipes From Okorder API 5L System 2
  • Carbon Steel Seamless Pipes From Okorder API 5L System 3
  • Carbon Steel Seamless Pipes From Okorder API 5L System 4
  • Carbon Steel Seamless Pipes From Okorder API 5L System 5
Carbon Steel Seamless Pipes From Okorder API 5L

Carbon Steel Seamless Pipes From Okorder API 5L

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
23 m.t.
Supply Capability:
4444 m.t./month

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Product Description:

OKorder is offering high quality Seamless Steel Pipe at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel pipe, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

Seamless Steel Pipe is ideal for long distance oil, gas, and natural gas pipelines on land and offshore. They can also be applied in construction projects, offshore platforms, power stations, the petrochemical industry and municipal construction.

 

Product Advantages:

OKorder's Steel Pipe is durable, resists corrosion and is recyclable.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Standard: ASTM A106, ASTM A179, ASTM A192, ASTM SA213/A519, DIN1629/EN10216-1, DIN17175/EN10216-2, DIN 2391-1, API SPEC 5CT

Certification: MTC, ISO, API

Dimensions:

Nom. Thickness: 14mm – 325mm (Sch5s to XXS)

Wall Thickness: 1mm – 80mm

Length: 20'' – 24''

Packaging: Bundle, beveled or plain end, varnish, PVC end caps

 

Product Pictures:

Carbon Steel Seamless Pipes From Okorder API 5LCarbon Steel Seamless Pipes From Okorder API 5L

Carbon Steel Seamless Pipes From Okorder API 5LCarbon Steel Seamless Pipes From Okorder API 5L

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

 

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

 

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

 

Q4: What makes stainless steel stainless?

A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

 

Q5: Can stainless steel rust?

A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

 

Q6: What is the difference between galvanized steel and galvalume steel?

A6: Galvanized steel is metallic coated with Zinc in various coating weights. Minimum recommended for painted metal roofs is G90. Galvalume is a zinc and aluminum coated steel that becomes an alloy and is recommended in either painted or bare applications with a minimum coating weight of AZ50. Galvalume has an excellent performance life in bare exposures. Hence if you are using a bare panel use galvalume and if painted use either.

 

Q7: Is there a difference in thermal conductivity between stainless steel and steel?

A6: Yes. Stainless Steel has a lower thermal conductivity rate than steel; approximately 1/3 to 1/5th depending on the material.

 

Q8: Is there a difference in electrical conductivity between stainless steel and steel?

A8: Yes. Steel is generally more conductive than stainless steel. Steel has resistivity in the range of 10~20Ωm, while stainless has a resistivity of approximately 60~72Ωm.

 

Q:How do you calculate the thermal expansion of steel pipes?
In order to determine the thermal expansion of steel pipes, it is necessary to utilize the coefficient of thermal expansion (CTE) specific to steel. The CTE represents the extent to which a material expands or contracts in response to temperature fluctuations. Typically, the average value of CTE for steel is around 12 x 10^-6 per degree Celsius (12 μm/m°C). To calculate the thermal expansion of a steel pipe, one must possess knowledge of the pipe's initial length (L0), the temperature change (ΔT), and the CTE for steel. The formula for calculating thermal expansion is as follows: ΔL = L0 * CTE * ΔT In this equation: ΔL denotes the alteration in length of the steel pipe L0 represents the initial length of the steel pipe CTE signifies the coefficient of thermal expansion for steel ΔT indicates the change in temperature For instance, suppose there is a steel pipe with an initial length of 2 meters (L0), and the temperature rises by 50 degrees Celsius (ΔT). The CTE for steel is 12 x 10^-6 per degree Celsius. ΔL = 2m * 12 x 10^-6/°C * 50°C ΔL = 0.00024m/m°C * 50°C ΔL = 0.012m Thus, when the temperature increases by 50 degrees Celsius, the steel pipe will expand by 0.012 meters or 12 millimeters. It is important to bear in mind that this calculation assumes linear expansion, which is applicable for minor temperature variations. However, for larger temperature differences or more intricate pipe systems, a more comprehensive analysis may be necessary to consider factors such as the material properties, geometry, and thermal boundary conditions of the pipes.
Q:Are steel pipes suitable for underground mining operations?
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:How do you calculate the stress in a steel pipe?
To calculate the stress in a steel pipe, you need to consider the material properties of the steel and the external forces acting on the pipe. The stress in a pipe is typically calculated using the formula: Stress = Force / Area First, you need to determine the force acting on the pipe. This could be due to external loads such as pressure, weight, or mechanical forces. You can calculate the force by multiplying the pressure or weight by the surface area on which it acts. For example, if the pipe is subjected to an internal pressure, you can calculate the force using the formula: Force = Pressure x Area Next, you need to determine the cross-sectional area of the pipe. The cross-sectional area of a circular pipe can be calculated using the formula: Area = π x (Diameter / 2)^2 Once you have determined the force and the area, you can calculate the stress by dividing the force by the area. This will give you the stress value in units such as pounds per square inch (psi) or newtons per square meter (Pa). It is important to note that the stress calculation assumes that the pipe is in a state of equilibrium and that the material properties of the steel are known. The material properties, such as yield strength and ultimate tensile strength, are used to ensure that the stress calculated does not exceed the maximum capacity of the steel.
Q:How are steel pipes used in the construction of underground parking structures?
Steel pipes are commonly used in the construction of underground parking structures for various purposes. They are primarily utilized for the installation of underground drainage systems, including stormwater and wastewater pipes. Steel pipes are also employed for the construction of support columns and beams, providing structural stability to the parking structure. Additionally, steel pipes are used for the installation of fire protection systems, such as sprinkler pipes, ensuring the safety of the underground parking facility.
Q:What are the different types of steel pipe supports for seismic applications?
Some of the different types of steel pipe supports for seismic applications include sway braces, rigid braces, snubbers, and spring hangers.
Q:How are steel pipes marked for identification and traceability?
Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.
Q:What is the difference between steel pipe and PVC pipe?
Steel pipe and PVC pipe are both commonly used materials for plumbing and other construction applications, but they have several key differences. Firstly, the material itself is different. Steel pipe is made from steel, which is an alloy of iron and carbon. It is known for its strength and durability, making it suitable for high-pressure applications and underground installations. On the other hand, PVC (polyvinyl chloride) pipe is made from a type of plastic known as PVC. It is lightweight, flexible, and easy to handle, making it a popular choice for residential plumbing and irrigation systems. Secondly, the installation process differs. Steel pipe requires skilled labor and specialized tools for cutting, threading, and welding. It often involves a complex installation process, especially for larger pipe sizes. PVC pipe, on the other hand, can be easily cut with a saw or specialized pipe cutter and joined together using solvent cement or threaded fittings. This makes PVC pipe more suitable for do-it-yourself projects and simpler installations. Thirdly, steel pipe has a higher cost compared to PVC pipe. Steel is a more expensive material, and the manufacturing process for steel pipe is more complex, involving multiple steps and additional materials. PVC pipe, being made from plastic, is generally cheaper and more cost-effective, especially for smaller diameter applications. In terms of performance, steel pipe has higher tensile strength, can withstand higher pressure, and is more resistant to temperature changes, making it ideal for heavy-duty and industrial applications. PVC pipe, on the other hand, has a lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. It is commonly used in residential plumbing, irrigation systems, and other non-industrial applications. In summary, the main differences between steel pipe and PVC pipe lie in the material, installation process, cost, and performance characteristics. While steel pipe is stronger and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial uses.
Q:Can steel pipes be used for gas transmission pipelines?
Yes, steel pipes can be used for gas transmission pipelines. Steel pipes are commonly used in the construction of gas transmission pipelines due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can withstand high pressure and extreme temperatures, making them suitable for the transportation of natural gas over long distances.
Q:What is the difference between steel pipes and HDPE pipes?
Steel pipes are made from a durable alloy of iron and carbon, while HDPE pipes are made from high-density polyethylene, a strong and flexible plastic material. Steel pipes are generally heavier and more rigid, making them suitable for high-pressure applications and structural support. HDPE pipes, on the other hand, are lighter, more flexible, and resistant to corrosion, making them ideal for underground and aboveground installations in various industries including water supply, gas distribution, and sewage systems.
Q:Can steel pipes be used for irrigation pivot systems?
Yes, steel pipes can be used for irrigation pivot systems. They are often preferred due to their durability, strength, and resistance to corrosion. Steel pipes can efficiently transport water over long distances, making them suitable for irrigation pivot systems that require reliable water supply.

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