6 Inch Seamless Steel Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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1、Structure of Seamless Pipe:

Seamless pipe is made with steel bar by perforating machine. It holds a hollow section and there is no seam around. Resulting from the facture process, seamless pipes are of better pressure resistance than other molds, and was usually more easily available and safe than other pipes. We are factory and definitely will satisfy your demand.

2、‍‍Main Features of the Seamless Pipe:

• High working accuracy

• High strength

• Small inertia resistance

• Strong therming dissipine ability

• Good appearance

• Reasonble price

3、Seamless Pipe Specification：

Standard	GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007
Grade	10#-45#, 16Mn 10#, 20#, 45#, 16Mn
Thickness	8 - 33 mm
Section Shape	Round
Outer Diameter	133 - 219 mm
Place of Origin	Shandong, China (Mainland)
Secondary Or Not	Non-secondary
Application	Hydraulic Pipe
Technique	Cold Drawn
Certification	API
‍Surface Treatment	factory state or painted black
‍Special Pipe	API Pipe
Alloy Or Not	Non-alloy
Length	5-12M
Outer Diameter	21.3-610mm
Grade	20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B
Standard	ASME, ASTM

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range: OD: 21.3-610mm, WT:6-70mm, length:6-12m or according to the requirement of clients.

3) Executive standards: GB, ASME API5L.ASTM A 106/A53,Despite of the above standards, we can also supply seamless steel pipe with standard of DIN, JIS, and so on, and also develop new products according to the requirements of our clients!
4) Surface: black lacquered, varnish coating or galvanized.
5) Ends: Beveled or square cut, plastic capped, painted.
6) Packing: bundles wrapped with strong steel strip, seaworthy packing.

4、Packaging & Delivery

Packaging Details:	seaworthy package, bundles wrapped with strong steel strip
Delivery Detail:	15-30days after received 30%TT

5、FAQ of Seamless Pipe:

①How is the quality of your products?
We test on every pipe before delivery. You can get any quality certification or testing report from us. Our products are strictly in accordance with international standard. If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about the price?

Yes, we are factory and offering you the lowest price in the market. Speed and honesty are our target. No hesitate. if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you choose us?
Think of our quality and price. They are charming. SGS test / Customer inspection / Third party inspection is OK. We are factory. So we can make any pipe you need in accordance to your requirement. That's attaracting, right?

6、‍‍Seamless Pipe Images： ‍‍

6 Inch Seamless Steel Pipe

Q: What are the quality control measures for steel pipe production?: Quality control measures for steel pipe production typically involve various inspections and tests at different stages of the manufacturing process. Some of the key measures include: 1. Raw material inspection: Ensuring that the steel used for pipe production meets specified standards for chemical composition, mechanical properties, and dimensional accuracy. 2. Dimensional inspection: Checking the outer diameter, wall thickness, and length of the pipes to ensure they meet the required specifications. 3. Welding inspection: Verifying the quality of welds by conducting non-destructive tests, such as ultrasonic or radiographic testing, to detect any defects or discontinuities. 4. Surface inspection: Examining the pipe surface for any defects, such as scratches, pits, or corrosion, which can affect the overall quality and performance. 5. Mechanical testing: Performing tests like tensile strength, yield strength, and impact resistance to assess the mechanical properties of the pipes and ensure they meet the desired standards. 6. Pressure testing: Subjecting the pipes to hydrostatic or pneumatic pressure tests to verify their ability to withstand the intended operational pressures without leakage or failure. 7. Coating inspection: Checking the quality and uniformity of any protective coatings or linings applied to the pipes to prevent corrosion or other forms of deterioration. 8. Documentation and traceability: Maintaining records of all inspections, tests, and certifications to provide traceability and ensure compliance with relevant industry standards and customer requirements. These quality control measures help to ensure that steel pipes are manufactured to the highest standards, possess the required mechanical and dimensional properties, and are fit for their intended application.

Q: Can steel pipes be used for geothermal heating systems?: Yes, steel pipes can be used for geothermal heating systems. Steel is a commonly used material in geothermal installations due to its durability, corrosion resistance, and ability to withstand high temperatures. It provides a reliable and long-lasting solution for transferring heat in geothermal heating systems.

Q: What is the pressure rating of steel pipes?: The pressure rating of steel pipes varies depending on the specific grade and size of the pipe. However, steel pipes are known for their high strength and durability, allowing them to withstand high-pressure applications.

Q: How are steel pipes cleaned and maintained?: Steel pipes are cleaned and maintained through various methods. The process typically involves removing any debris or rust from the pipes using wire brushes or sandblasting. After cleaning, a protective coating is applied to prevent corrosion. Regular inspections and maintenance checks are also conducted to identify any potential issues such as leaks or weak points, ensuring the pipes remain in optimal condition.

Q: What is the maximum length of steel pipes available in the market?: The market offers steel pipes in varying maximum lengths, which are influenced by factors like steel type, manufacturing capacity, transportation restrictions, and customer demands. Generally, steel pipes can be produced up to 12 meters (40 feet) or even longer. However, it is crucial to consider that handling and transporting longer lengths might pose challenges, necessitating specialized equipment or techniques. Ultimately, the industry and customers' specific requirements and capabilities determine the maximum length of steel pipes available in the market.

Q: What are the different methods of coating steel pipes for insulation?: There are several methods of coating steel pipes for insulation, including applying a layer of thermal insulation material, such as foam or fiberglass, directly onto the surface of the pipe, using a heat shrink sleeve or tape to wrap around the pipe, or applying a liquid coating that hardens and provides insulation.

Q: Outside diameter 60, thickness 3.5 seamless steel tube, how many kilograms per meter?: Other commonly used theoretical weight formulas per metre:Thread steel (Kg/m):W=0.00617 * D * D, D - sectional diameter (mm)Fang Gang (Kg/m):W=0.00785 * a * a, a - edge width (mm)Flat steel (kg/m):W= 0.00785 * b * D, B -- edge width (mm) d - thickness (mm)Round steel rod (kg/m),:W= 0.006165 * D * D, D - diameter (mm)

Q: Can steel pipes be used for signposts or street lighting poles?: Yes, steel pipes can be used for signposts or street lighting poles. Steel pipes are often chosen for their durability, strength, and resistance to harsh weather conditions, making them suitable for supporting signs or street lighting fixtures.

Q: How do you calculate the weight of steel pipes?: To calculate the weight of steel pipes, you can use the formula: weight = volume × density. The volume can be calculated by multiplying the cross-sectional area of the pipe with its length, while the density of steel is typically assumed to be 7850 kilograms per cubic meter.

Q: How are steel pipes classified based on their diameter?: Steel pipes can be classified based on their diameter into various categories. The most common classification system for steel pipes is based on the nominal pipe size (NPS). NPS is a North American set of standard sizes that are used to designate the diameter of a pipe. It is expressed in inches and represents the approximate inside diameter (ID) of the pipe. Steel pipes are typically classified into three main categories based on their diameter: small bore, medium bore, and large bore. Small bore pipes typically have NPS of 2 inches and below, medium bore pipes have NPS between 2 and 24 inches, and large bore pipes have NPS greater than 24 inches. In addition to the NPS classification, steel pipes can also be classified based on their actual outside diameter (OD). This classification is used to determine the compatibility of pipes with fittings and other components. The OD classification is usually expressed in inches or millimeters. Overall, the classification of steel pipes based on their diameter provides a standardized system for easy identification and selection of pipes for various applications. It helps in ensuring compatibility, efficient installation, and effective functioning of piping systems in different industries such as construction, oil and gas, plumbing, and more.

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