Technical > FAQ

A: Our LSAW pipes usually range from 406mm to 1422mm in diameter, with wall thicknesses between 6mm and 50mm. We can also adjust dimensions to suit different project needs, and pipes can be made according to any standard you require.

A: Seamless steel pipes generally cover diameters from 21.3mm to 610mm and wall thicknesses from 1.8mm to 25mm. If your project requires specific sizes, our team can tailor them accordingly.

A: ERW pipes span 1/2" to 24" (21.3mm–610mm) in diameter, with wall thicknesses from 1.8mm to 20mm. We are happy to accommodate special dimensions or tolerances to fit your project requirements.

A: SSAW pipes are available in diameters from 406mm to 1620mm, with wall thicknesses from 8mm to 50mm. For unique project needs, we can discuss custom sizes as well.

A: OCTAL PIPE can manufacture steel pipes to meet any major international standard, such as API, ASTM, ASME, EN, ISO, or even customer-specific standards.

A: Yes, every shipment comes with an MTC. Additional documents like third-party inspection reports or certificates of origin can be arranged if needed.

A: We supply common grades such as API 5L PSL1/PSL2 Gr.B and X42–X80. If your project requires other grades, we can discuss options to meet your requirements.

A: Typically, the MOQ is one 20-foot container or around 20 tons, depending on the specifications. We also maintain some stock sizes for faster delivery when needed.

A: Yes, standard lengths are usually 6m or 12m, and we can cut pipes to specific lengths to suit your project.

A: Coating options include 3LPE, 3LPP, FBE, epoxy, black paint, and galvanized finishes. These ensure good corrosion resistance and long-term performance.

A: Each pipe undergoes careful dimensional checks, ultrasonic testing, hydrostatic testing, and visual inspections. Our team makes sure every pipe meets your project requirements.

A: Absolutely. We welcome clients to visit OCTAL PIPE factories and see our production and quality control processes in person.

A: Small-size samples can be arranged so you can test or verify the material before making larger orders.

A: Yes, we can produce pipes according to your drawings or technical requirements, ensuring the final product fits your project perfectly.

A: Plain ends, beveled ends, and threaded ends are available. We can also discuss special end configurations if needed for your project.

A: Third-party inspections by SGS, BV, Intertek, or other agencies can be coordinated according to your preference.

A: Depending on the production location, main ports include Tianjin, Qingdao, and Shanghai.

A: Simply provide diameter, wall thickness, length, grade, standard, quantity, and destination port. Our team will promptly prepare a detailed quotation and support you throughout the process.