304 Stainless Steel Seamless Pipe 168.3mm OD 7.11mm Wall ASTM A312 Annealed Pickled for Industrial Piping
304 stainless steel seamless pipe manufactured to ASTM A312 / A999, with outer diameter 168.3 mm and wall thickness 7.11 mm. The 304 grade offers a balanced combination of corrosion resistance, formability and economy, making it the most widely used stainless steel for general industrial piping.
A large-diameter heavy-wall seamless pipe without any weld line, delivering maximum pressure integrity for refinery, chemical and utility piping systems.
Every pipe is produced under strict quality control, with full traceability from the raw coil or billet to the finished tube. Mill test certificates, chemical composition reports and mechanical property data are available with every shipment, and third-party inspection by SGS, BV or TUV can be arranged upon request.
| Material Grade | 304 |
|---|---|
| Manufacturing Standard | ASTM A312 / A999 |
| Outer Diameter (OD) | 168.3 mm |
| Wall Thickness (WT) | 7.11 mm |
| Length | 6 m (random or cut lengths) |
| Surface Finish | Annealed and pickled |
| End Finish | Plain or beveled |
| Packaging | Plastic end caps, bundles secured by steel strips or export wooden crates |
- Petrochemical and refinery piping systems
- Oil and gas transmission lines
- Food and beverage processing equipment
- Pharmaceutical and clean utility lines
- Boiler, heat exchanger and condenser tubing
- High-pressure hydraulic systems
Custom sizes and non-standard specifications are available on request. Contact us for a quotation with your required OD, wall thickness and quantity, and our team will reply within 24 hours.
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