TP304 304L 316 Stainless Seamless Steel pipe

Short Description:

Stainless steel seamless steel pipes are made from steel ingots or solid tube billets through perforation and then made by hot rolling, cold rolling or cold drawing. Stainless steel seamless steel pipes are mostly used as pipelines for transporting fluids, and are widely used to make structural and mechanical parts, such as oil drill pipes, car drive shafts, bicycle frames, and steel scaffolding for construction roofs, etc.

  • FOB Price: US $0.5 - 100 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Delivery : Within 10 days
  • Quality : Support third-party detection
  • Payment: TT/LC
  • Product Detail


    Product Tags

        The corrosion resistance of stainless steel seamless pipes depends on the alloying elements contained in the steel. Chromium is the basic element for the corrosion resistance of stainless steel. When the chromium content in the steel reaches about 12%, the chromium interacts with the oxygen in the corrosive medium to form a very thin oxide film (self-passivation film) on the surface of the steel. , Can prevent further corrosion of the steel matrix.   
        Stainless steel seamless pipe production steps: 1. Round steel preparation; 2. Heating; 3. Hot rolled piercing; 4. Cut the head; 5. Pickling; 6. Grinding; 7. Lubrication; 8. Cold rolling processing; 9. Degreasing; 10. Solution heat treatment; 11. Straightening; 12. Cut the tube; 13. Pickling; 14. Product testing.   
        The main stainless steel materials are: 201, 202, 209, 301, 304, 304L, 310, 321, 316 316L, 309S, 310S, 904L, 1Cr17, 1Cr13, 2Cr13, 3Cr13.

    Product Description 

     Grade 201  202 304 304L 316 316L 310S 316 316L  321  409L 904L etc.
     Standard ASTM A554, A249, A269 and A270,A312
     Diameter 6mm–159mm
     Length 6m or as customers’request
     Tolerance Outer Diameter:+/-0.2mm,
     Finish Aid Pickling, Polishing, Brushing
    180G, 320G, 400G Satin/Hairline  400G, 500G, 600G or 800G Mirror finish
     Application Decoration construction, upholstery, industry instrument
     Delivery time A.7 days if this goods is stock goods.
    B.20 days if this goods will be produced after order

    Normal Marking and Package 


    Products Inspection 

    Tests of  Stainless Steel Seamless Pipe
    1.Chemical Analysis (ASTM E345)
    2.Mechanical Properties (Tension: ASTM E8)
    3.Nondestructive Test
    3.1:100% Hydrostatic Test
    3.2:According to ASTM A450/A450M


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