Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG410 CNBM

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG410 CNBM System 1

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG410 CNBM System 2

Schedule 40 ASTM A53 API 5L GR.B Carbon Seamless Steel Tubes STPG410 CNBM

Ref Price:

Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 10 pc

Supply Capability:: 30 pc/month

Inquire Now

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Quick Details

Thickness:	2.0 - 85 mm	Section Shape:	Round	Outer Diameter:	17 - 914.4 mm
		Secondary Or Not:	Non-secondary	Application:	Oil Pipe
Technique:	Hot Rolled	Certification:	API	Surface Treatment:	VARNISH PAITING
Special Pipe:	API Pipe	Alloy Or Not:	Non-alloy	END:	PLAIN,BEVELED OR THREADED
Grade:	10#,20#,16Mn,A106(B,C),A210,A335 P5,A335 P91,A53(A,B),API J55,API K55,Q195,Q235,Q345,St37,St52,10#-45#,A53-A369,API J55-API P110,Q195-Q345,ST35-ST52	Standard:	API 5CT,API 5L,ASME B36.19M-2004,ASTM A106-2006,ASTM A179-1990,ASTM A182-2001,ASTM A53-2007,BS 1387,DIN 1629/3,DIN EN 10216-1-2004,GB 5310-1995,GB/T 3091-2001,GB/T 8162-1999,GB/T 8163-1999,JIS G3454-2007,API,ASTM,BS,DIN,GB,JIS

Packaging & Delivery

Packaging Detail:

standard packing suitable shipping by sea.fixed length as customers' requirements, or SRL or DRL. Varnish, painting or galvanized, or FBE ,2PE,3PE 3pp coating,bevelled/plain/threaded ends with caps, packing in bundle (OD smaller than 141.3mm) big sizes packing in loose, marking as required. Shipped by sea,by air,by train . or some samples shipped by DHL,EMS,TNT,FEDEX ect. Length shorter than 5.85m should be shipped by 20' container, 5.85-12m shipped by 40' container.

Delivery Detail:

7-35 days after advance payment

Product Description

Seamless steel pipes, a large number of used pipes conveying fluids, such as transport oil, natural gas, gas, water pipes and some solid materials, and so on. Compared to other steel and solid steel bar, the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle rack and construction using steel scaffolding ring with steel pipe manufacturing parts, can improve material utilization, simplify the manufacturing process, saving material and machining time, such as bearing rings, jack sets, has been widely used to manufacture steel. Steel or a variety of conventional weapons indispensable material, gun barrels to make steel. Steel shapes in different cross-sectional area can be divided into tube and shaped tubes. As in the perimeter of equal conditions, the largest area of a circle with a circular tube can carry more fluid. In addition, the circular cross section to withstand internal or external radial pressure, the force is uniform, so the vast majority of the pipe is pipe.

Q:How are steel pipes used in the construction of sewer systems?: Steel pipes are commonly used in the construction of sewer systems due to their durability and strength. These pipes are used to transport sewage and wastewater from households and businesses to treatment plants or disposal sites. They are resistant to corrosion and can withstand high pressure, making them ideal for underground installations. Additionally, steel pipes can be manufactured in various sizes and lengths, allowing for efficient and cost-effective installation in sewer infrastructure.

Q:Can steel pipes be used for cooling systems?: Steel pipes are a viable option for cooling systems. They are frequently employed in different scenarios, such as cooling systems, because of their robustness, strength, and ability to withstand high temperatures and pressure. Industrial cooling systems, in particular, benefit from steel pipes due to the harsh environmental conditions and corrosive fluids they often encounter. Moreover, steel pipes possess outstanding heat conductivity, which facilitates efficient heat transfer, rendering them a dependable choice for cooling purposes. Furthermore, steel pipes can be easily tailored, joined, and adjusted to fulfill specific cooling system needs. Nevertheless, it is crucial to ensure that the steel pipes utilized are adequately coated or insulated to prevent corrosion and minimize heat dissipation.

Q:How are steel pipes protected against external moisture?: Steel pipes can be safeguarded against external moisture in various ways. One commonly employed method involves applying a protective coating or paint to the pipe's surface, which acts as a barrier to prevent direct contact with moisture. Depending on the specific requirements and environment, this coating can be composed of different materials like epoxy, polyethylene, or zinc. Another means of protection is through the utilization of corrosion inhibitors. These inhibitors are added to either the internal or external surfaces of the pipes, creating a protective layer that hinders moisture-induced corrosion. Chemicals like rust converters or rust preventatives are examples of corrosion inhibitors that react with the steel, forming a protective barrier. Cathodic protection is an additional technique utilized to shield steel pipes from external moisture. This technique involves the use of sacrificial anodes or impressed current to generate an electric current that safeguards the steel. Sacrificial anodes, typically made of zinc, aluminum, or magnesium, are attached to the steel pipes and corrode over time instead of the steel, thereby preventing moisture-induced corrosion. Moreover, proper insulation and waterproofing measures play a vital role in protecting steel pipes from external moisture. To provide an extra layer of protection and prevent moisture infiltration, insulation materials like foam or tape are applied to the pipes. Waterproofing measures such as sealants or membranes can also be implemented to ensure no moisture seeps into the pipes. Regular maintenance, including inspections and repairs, is crucial for ensuring the continuous protection of steel pipes against external moisture. By promptly addressing any areas of damage or corrosion, the integrity of the protective measures can be maintained, thereby extending the lifespan of the steel pipes and avoiding costly repairs or replacements in the future.

Q:What are steel pipes made of?: Steel pipes are made of a strong and durable alloy known as steel, which is primarily composed of iron and carbon, along with small amounts of other elements such as manganese, silicon, and sulfur.

Q:What is the difference between steel pipe and HDPE pipe?: Steel pipe and HDPE pipe are two different types of pipes that are used for various applications. The main difference between steel pipe and HDPE pipe lies in their composition and characteristics. Steel pipe, as the name suggests, is made of steel and is a strong and durable pipe material. It is commonly used in industrial applications and infrastructure projects where high strength and reliability are required. Steel pipes are known for their ability to withstand high pressure, temperature, and heavy loads. They are also resistant to corrosion, making them suitable for both above-ground and underground installations. On the other hand, HDPE (high-density polyethylene) pipe is made of a plastic polymer called polyethylene. HDPE pipes are lightweight, flexible, and easy to install, making them ideal for various applications such as water supply, drainage systems, and agricultural irrigation. They are resistant to chemicals, abrasion, and UV rays, making them suitable for both indoor and outdoor use. HDPE pipes are also known for their long service life and low maintenance requirements. In terms of cost, steel pipes are generally more expensive than HDPE pipes due to the raw material cost and manufacturing process involved. However, steel pipes are often chosen for their superior strength and durability, especially in applications where high pressure or extreme conditions are involved. HDPE pipes, on the other hand, offer a cost-effective solution for applications that do not require the same level of strength and durability as steel pipes. In summary, the main differences between steel pipe and HDPE pipe lie in their composition, strength, durability, and cost. Steel pipe is known for its strength and reliability, while HDPE pipe offers flexibility, ease of installation, and resistance to chemicals and UV rays. The choice between the two depends on the specific application and requirements of the project.

Q:Can steel pipes be used for underground sprinkler systems?: Yes, steel pipes can be used for underground sprinkler systems. However, it is important to note that steel pipes are not as commonly used as other materials like PVC or polyethylene due to their susceptibility to corrosion. If steel pipes are chosen for this application, they should be coated or lined to protect them from underground moisture and ensure their longevity.

Q:How are steel pipes used in HVAC systems?: Steel pipes are used in HVAC systems for various purposes such as transporting hot or cold water, steam, or refrigerant throughout the system. They are commonly used for supply and return lines, as well as for connecting various HVAC components like chillers, boilers, air handlers, and heat exchangers. Steel pipes are preferred in HVAC systems due to their durability, strength, and resistance to corrosion and high pressure.

Q:Seamless steel tube DN15 specification phi 18*3 what do you mean?: Seamless steel pipe DN15 specification phi 18*3 refers to 3 outer diameter of 18mm B type DN15 seamless steel tube.

Q:What is the difference between hot-dip galvanizing and electroplating for steel pipes?: Hot-dip galvanizing and electroplating are two common methods used to provide corrosion protection for steel pipes, but there are key differences between the two processes. Hot-dip galvanizing involves immersing the steel pipes into a bath of molten zinc, which forms a metallurgical bond with the steel. This results in a thick and durable zinc coating that provides excellent corrosion resistance. The process of hot-dip galvanizing creates a uniform coating that covers the entire surface of the steel pipe, including both the external and internal surfaces. This makes hot-dip galvanizing particularly effective for protecting both the inside and outside of the pipes. On the other hand, electroplating is a process that involves the deposition of a thin layer of metal onto the surface of the steel pipes using an electric current. In the case of electroplating for steel pipes, typically a layer of zinc is applied. Unlike hot-dip galvanizing, electroplating does not provide a metallurgical bond between the zinc and the steel. Instead, it creates a mechanical bond, which is not as strong or durable as the bond formed through hot-dip galvanizing. The electroplated zinc layer is thinner compared to hot-dip galvanizing, which means it may not provide the same level of corrosion protection. Another difference between hot-dip galvanizing and electroplating is the application process. Hot-dip galvanizing requires immersing the steel pipes into a bath of molten zinc, which can be a time-consuming process. Electroplating, on the other hand, involves applying the zinc coating through an electrolytic cell, which can be faster and more efficient. In summary, the main difference between hot-dip galvanizing and electroplating for steel pipes lies in the thickness and durability of the coating, as well as the bonding mechanism between the zinc and the steel. Hot-dip galvanizing provides a thicker and more durable coating with a metallurgical bond, making it more effective for long-term corrosion protection. Electroplating, on the other hand, creates a thinner coating with a mechanical bond, which may be suitable for applications requiring a less robust level of corrosion resistance.

Q:What are the different testing methods used for steel pipes?: There are several testing methods used for steel pipes to ensure their quality and reliability. Some of the commonly used testing methods include: 1. Non-destructive Testing (NDT): NDT methods such as ultrasonic testing, magnetic particle inspection, and liquid penetrant testing are used to detect any surface or subsurface defects in the steel pipes without causing any damage to them. 2. Mechanical Testing: Mechanical testing involves conducting various tests to evaluate the mechanical properties of steel pipes, including tensile strength, yield strength, elongation, hardness, and impact resistance. These tests help determine the structural integrity and performance of the pipes. 3. Hydrostatic Testing: This method involves subjecting the steel pipes to high-pressure water to check their ability to withstand the expected operating conditions. Hydrostatic testing is performed by filling the pipes with water and pressurizing them to a predetermined level for a specified duration. Any leakage or deformation in the pipes is detected during this test. 4. Dimensional Inspection: This testing method ensures that the steel pipes meet the specified dimensional requirements. It involves measuring the diameter, wall thickness, length, and other critical dimensions of the pipes to verify compliance with the applicable standards or specifications. 5. Visual Inspection: Visual inspection is a basic method used to assess the external appearance of steel pipes. Trained inspectors visually examine the pipes for any surface defects, such as cracks, corrosion, or irregularities in shape or finish. 6. Chemical Analysis: Chemical analysis is performed to determine the composition and elemental content of the steel pipes. It helps ensure that the pipes are made from the correct grade of steel and meet the required chemical composition standards. 7. Metallographic Examination: Metallography involves examining the microstructure of steel pipes under a microscope to assess their quality and integrity. It helps identify any internal defects, such as grain boundaries, inclusions, or improper heat treatment, that may affect the overall performance of the pipes. By utilizing these testing methods, manufacturers and inspectors can ensure that steel pipes meet the necessary quality standards and are suitable for their intended applications.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range