304 Stainless Steel Pipe Manufacturer for Industrial, Food Processing and Fabrication Projects

Among all stainless steel pipe grades, 304 stainless steel pipe remains one of the most frequently specified materials worldwide. The reason is straightforward: it provides a practical balance of corrosion resistance, fabrication performance, and cost.

From food processing lines and water treatment systems to architectural projects and industrial fabrication, 304 stainless steel pipe is often the first grade engineers consider when the operating environment does not require higher-alloy materials.

Product Specifications

Item

Details

Standard

ASTM A312, ASTM A554, ASTM A269

Grade

TP304 / UNS S30400

Manufacturing Type

Seamless / Welded

Outside Diameter

6 mm – 630 mm

Wall Thickness

0.5 mm – 40 mm

Surface Finish

Pickled, Annealed, BA, Polished

Processing Service

Cutting, Threading, Bending, Polishing

Trade Terms

FOB, CFR, CIF

Payment Terms

T/T, L/C

Property

Value

Chromium (Cr)

18.0 – 20.0%

Nickel (Ni)

8.0 – 10.5%

Carbon (C)

≤ 0.08%

Tensile Strength

≥ 515 MPa

Yield Strength

≥ 205 MPa

Elongation

≥ 35%

Density

7.93 g/cm³

What Most Buyers Ask Before Ordering

Seamless or Welded?

It really comes down to what you're using it for. If you're dealing with high-pressure systems or critical industrial setups, seamless is usually the safer bet. For things like decorative structures, food-grade equipment, or general fabrication, welded pipes work just fine and cost a lot less.

Which Surface Finish Is Available?

That depends on the job. Food processing and architectural work tend to go with BA or polished finishes-they look better and are easier to clean. For industrial piping, pickled and annealed is more common; it's not pretty, but it gets the job done.

Can Pipes Be Supplied Cut to Size?

Most of the time, yes. Not every project needs standard mill lengths. If you need custom cutting, beveling, polishing, or end prep, those services are usually available. It saves a ton of time on site-less cutting, less waste, less hassle.

Is 304 Suitable for Outdoor Use?

For most city or industrial environments, absolutely. It holds up well. The only time you really need to think twice is if you're near the ocean or dealing with heavy salt exposure-then you're better off looking at 316 or duplex grades. Otherwise, 304 is fine.

Common Purchasing Applications

Thanks to its excellent corrosion resistance and ease of fabrication, 304 stainless steel delivers reliable performance across a broad spectrum of industrial, commercial, and architectural applications.