ASTM 304/316L/2205 Seamless Steel Tubes - Precision Machined Pipes with Stock Availability & Priority Shipping

Precision Threaded Stainless Steel Pipe Connections
Engineered for secure pipeline systems, our stainless steel threaded pipes are manufactured from 304/316L/321 alloys with the following specifications:

• ​Thread standards: NPT, BSP, or metric threading options (ASME B1.20.1 compliant)
• ​Pressure rating: 2000 PSI at 100°C for 1/2" to 4" diameter pipes
• ​Surface finish: 120 mesh polished exteriors with 2B interior smoothness
• ​Corrosion resistance: PREN ≥35 for chemical processing and marine applications
• ​Certifications: Meets ASTM A312/A269 standards for industrial plumbing and oil/gas fittings

Seam-Welded Stainless Steel Pipe Systems
Our TIG-welded stainless steel pipes deliver exceptional structural integrity:

• ​Weld quality: Fully penetrated seams with X-ray inspection compliance (ASME Section IX)
• ​Material options: 304L/316L with 0.03% max carbon content for welding stability
• ​Wall thickness: 1.65mm-12mm range (Schedule 5S to 80S)
• ​Applications: Chemical reactor piping, structural handrails, and pharmaceutical ductwork
• ​Processing: Post-weld annealing and pickling for optimal corrosion resistance

Compact 1/2 Inch Stainless Steel Pipe Solutions
Ideal for precision fluid systems, our 1/2-inch stainless steel pipes (12.7mm OD) feature:

• ​Tolerance: ±0.05mm diameter accuracy for medical gas lines
• ​Surface treatment: Electropolished 240-grain finish (Ra ≤0.5μm)
• ​Pressure capacity: 5000 PSI burst strength (316Ti alloy variant)
• ​Compliance: NSF/ANSI 61 for potable water systems
• ​Packaging: Individually capped ends in moisture-proof wooden crates
• ​MOQ flexibility: Available in 1-ton batches with 30% TT advance terms