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316L Stainless Steel Welded Pipe
316L stainless steel welded pipe is well-known for its excellent resistance to chlorides, acids, and saltwater. The low carbon content improves its weldability and minimizes carbide precipitation during welding. It is especially suitable for marine, chemical, and pharmaceutical industries requiring long-term durability.

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Product Description

Specifications Table


Property

Value / Range

Grade

316L / 1.4404 / S31603

Standard

ASTM A312 / JIS G3459 / EN 10217

Type

Welded stainless steel pipe

Outer Diameter

10 mm – 2000 mm

Wall Thickness

0.5 mm – 30 mm

Length

1 m – 12 m (custom available)

Surface Finish

Polished / Mirror / 2B / Pickled

Tensile Strength

≥ 485 MPa

Yield Strength

≥ 170 MPa

Elongation

≥ 40%


Chemical Composition (%)


C

Si

Mn

P

S

Cr

Ni

Mo

≤0.03

≤1.0

≤2.0

≤0.045

≤0.030

16.0–18.0

10.0–14.0

2.0–3.0


Advantages


  • Superior resistance to pitting and crevice corrosion in chloride environments

  • Excellent weldability due to low carbon content (L = Low Carbon)

  • Longer service life than 304 in aggressive environments

  • Hygienic surface suitable for food and pharmaceutical industries

  • Available in polished finish for decorative purposes


Applications


  • Marine pipelines, shipbuilding, and offshore platforms

  • Petrochemical and chemical processing industries

  • Pharmaceutical equipment and cleanrooms

  • Heat exchangers and evaporators

  • Food and beverage production systems


Quality Control


  • 100% welded seam ultrasonic tested

  • Hydrostatic pressure test for leak-proof guarantee

  • Certified according to ASTM, ASME, and EN standards

  • Third-party inspection available upon request (SGS, BV, Lloyd’s Register)


Product Real Shot


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Packaging and Shipping


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FAQ


Q1: What product information must I provide before making a purchase?
A: Please provide the grade, width, thickness, surface treatment requirements, and the quantities you need.

Q2: What about product pricing information?
A: Prices may vary due to fluctuations in raw material costs.

Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.

Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.

Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.

Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.


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