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HAOMEI Aluminum CO., LTD.

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Stainless Steel Seamless Pipe

We supply stainless steel seamless pipes&tubes for marine, offshore, shipbuilding, and industrial applications. Available in 304/304L, 316/316L, 321, duplex 2205, and other grades with ASTM, EN, and custom specifications.

  • Marine Stainless Steel Seamless Pipe

    Marine Stainless Steel Seamless Pipe

    Marine stainless steel seamless pipe supplier offering 304, 316L, 2205, 2507 and other grades for shipbuilding, offshore and seawater systems. ASTM/EN standards, MTC, PMI and third-party inspection available.


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  • Austenitic Stainless Steel Seamless Pipe

    Austenitic Stainless Steel Seamless Pipe

    High-quality austenitic stainless steel seamless pipe in 304, 304L, 316, 316L, 321 and other grades. Available in ASTM, EN and DIN standards for industrial, marine, and corrosive service applications.


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  • Duplex Seamless Pipe

    Duplex Seamless Pipe

    Duplex seamless pipe in 2205 and 2507 for marine, offshore and industrial applications. Available in ASTM A790/A789 / EN 10216-5 with EN 10204 3.1, PMI and third-party inspection support.


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  • Super Duplex Seamless Pipe

    Super Duplex Seamless Pipe

    Reliable super duplex stainless steel seamless pipe supplier offering S32750/S32760 pipes with high strength and excellent corrosion resistance for seawater service.


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The Frequent FAQs

What is your product range??▾

We supply marine-grade stainless steel seamless pipe and tube, including 304/304L, 316L, 321, duplex 2205 and super duplex 2507, in various OD/WT and lengths.

Are you a manufacturer or a supplier?▾

We supply stainless steel seamless pipes for marine and offshore projects. Depending on the grade and size, we can offer mill production and stock supply. Please contact us with your specification for confirmation.

What information is required for a quotation?▾

Grade, standard (ASTM/EN), size (OD × WT or NPS × Sch), length (random/fixed), quantity, application, required certificates (3.1/3.2), destination port and Incoterms.

What is your typical lead time?▾

Lead time depends on grade, size and quantity. Stock items can be delivered faster, while mill production requires additional time. We will confirm lead time after receiving your full specification.

Do you provide samples?▾

For some sizes and grades, small sample pieces may be available. Please send your requirement and shipping details.

What standards can you supply?▾

Common standards include ASTM A312 (stainless steel pipe), ASTM A213/A269 (tubing), ASTM A790 (duplex pipe) and EN 10216-5. Please share your project specification for confirmation.