TP304L Stainless Steel Pipe Ss 321 Seamless/Welded DN80 Sch40 Pickling SUS316L 316ti Round Rectangle/Square No. 4 China Factory 304 Stainless Steel Pipe

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Basic Information

Model NO.

Stainless steel pipe

Technique

Cold Rolled

Material

Stainless Steel

Surface Treatment

Polished

Section Shape

Round

Surface Finish

2b, Ba, No.1, No.4, 4K, 8K, Mirror

Ni Content

8-12%

Available Materials

201, 304, 321, 316ti, 316L, 314h, 310S, 2507

Production Capacity

50000ton/Month

HS Code

721922

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Product Description

Stainless steel tube is a high-performance metal piping product crafted from corrosion-resistant stainless steel alloys. Available in seamless and welded configurations, it complies with international standards (ASTM, JIS, GB, EN) and delivers exceptional rust resistance, durability, and formability.

Core Types & Advantages

Seamless Stainless Steel Tube: Manufactured via hot extrusion or cold drawing, offering superior structural integrity and high pressure resistance.
Welded Stainless Steel Tube: Formed by TIG/ERW welding, cost-effective and ideal for general industrial use.
High Durability: Extreme corrosion resistance adapts to saltwater, acids, and harsh chemicals.
Hygienic Performance: Meets food/medical grade standards with no toxic leaching.

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Technical Specifications

Grade	Alloy Features	Max Temp	Typical Applications
304/304L	Cr18-Ni8	≤870ºC	Food processing, handrails, kitchen equipment
316/316L	Cr18-Ni12-Mo2	≤870ºC	Marine, chemical tanks, medical devices
321	Cr18-Ni9-Ti	≤900ºC	High-temp pipelines, aerospace components
310S	Cr25-Ni20	≤1150ºC	Industrial furnaces, heat exchangers
2205	Duplex Steel	≤315ºC	Oil & gas, desalination plants

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Detailed Photos

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Surface & Packaging

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Quality Control & Certifications

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Frequently Asked Questions

Q: What is the difference between 304 and 316L stainless steel tubes? A: 316L contains molybdenum for enhanced protection against saltwater and acidic environments, while 304 is the standard economical choice for general applications.

Q: Should I choose seamless or welded tubes? A: Seamless tubes are better for high-pressure and high-temperature environments. Welded tubes are cost-effective for general industrial or decorative purposes.

Q: Are your stainless steel tubes magnetic? A: Grades like 304 and 316L are austenitic and generally non-magnetic. Ferritic grades like 430 or Duplex 2205 are slightly magnetic.

Q: Can these pipes be used for drinking water systems? A: Yes, 304 and 316L grades are FDA-compliant, non-toxic, and widely used for potable water pipelines.

Q: Do you offer customized surface finishes? A: Yes, we provide 2B (matte), BA (mirror), No.4 (brushed), and electrolytic polishing to meet specific aesthetic or functional needs.

Q: How do you ensure the quality of the tubes? A: All products are 100% compliant with ASTM/JIS standards. We provide Mill Test Reports (MTR) and support third-party inspections like SGS or BV.