Stainless steel pipe welding technology refers to a method of welding treatment on the surface of pipe, the purpose is to splice two or more stainless steel tubes together to form a whole.
Compared with the traditional jointing methods, welded stainless steel pipe can improve the sealing and reliability of the pipe, greatly reducing the probability of pipe leakage, in addition, it can make the pipe more beautiful to meet the needs of different scenes.
Difference between 304 and 316 stainless steel
| Property | 304 Stainless Steel | 316 Stainless Steel |
| Corrosion Resistance | Excellent for most environments | Superior, especially in chloride/saltwater exposure |
| Molybdenum Content | None | 2–3% molybdenum for added corrosion resistance |
| Applications | General purpose, indoor/outdoor | Marine, chemical, coastal, high-acid environments |
| Cost | More economical | Higher due to alloy content |
Welded Stainless Steel Pipe Specification
Grade: 304/304L, 316/316L, duplex 2205, super‑duplex 2507,etc
Standard: ASTM A312;ASTM A789(duplex steel);DIN;EN;ISO;GB,etc
Sizes: ½''-48''(DN15-DN1200)
Wall Thickness: Sch5S - Sch160;PN10 - PN100
Surface: Polishing, annealing, pickling, bright
Custom End‑Preps: Beveled, socket‑weld, threaded ends prepped per ASME B16.25/16.11
Seam Types
- Straight Seam Welding (ERW): Welded in a straight line, suitable for small and medium diameter pipes, with visible weld seams on the surface.
- Spiral Welding (SAW): Welding in a spiral shape to produce large-diameter pipes ( as oil transportation pipelines)
- TIG
- HFW
- etc
SS Tube Surface Finish
Welded pipes can be finished with polished, pickled, or brushed surfaces to meet sanitation and aesthetic requirements.
Details:2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sand blast,brush.
Multiple specifications are available.
Stainless Pipe End Protection:Plastic Caps
Ends:Plain End, Beveled End, Threaded
Stainless Tube Photo
Stainless Steel Pipe Packing:
Details:Standard Seaworthy Package,or as requirement
Port:Tianjin,Qingdao,Shanghai port,or as required
| Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
Stainless Steel Pipe FAQ
Q: What about Stainless steel pipe price information?
A: Negotiation.Prices vary due to changes in raw material prices on a regular basis.
Q: What are your company's main stainless steel products?
A: Our main products are stainless steel plate/sheet, coil, round/square pipe, bar, channel, etc.
Q: What are your payment terms?
A: We can accept the TT,LC or Negotiation
Q: How do you control quality?
A: Mill Test Certification is supplied with shipment, Third Party Inspection is available.
Q: Can I pay you a visit at your factory?
A: Customers from all around the world are welcome to visit our factory.
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Round Welded Stainless Steel Pipes And Tubes Polihsed SS 304 / 316 Images
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