Stainless steel pipe
Premium Stainless Steel Pipes for Industrial and Commercial Applications
Our stainless steel pipes are engineered to meet the highest industry standards, offering superior durability and corrosion resistance. Manufactured using grade 304 and 316 stainless steel, these pipes are ideal for various applications including plumbing, food processing, chemical plants, and architectural projects.
Key Specifications
- Material: 304/316 Stainless Steel
- Outer Diameter: 1/2" to 24"
- Wall Thickness: 0.028" to 0.5"
- Length: Standard 20' or custom lengths available
- Surface Finish: Annealed, Pickled, Bright Annealed
- Pressure Rating: SCH 5S to SCH 80S
- Standards: ASTM A312, A269, A790
Technical Comparison Table
| Grade | Chemical Composition | Tensile Strength | Max Temperature |
|---|---|---|---|
| 304 | 18% Cr, 8% Ni | 515 MPa | 870°C |
| 316 | 16% Cr, 10% Ni, 2% Mo | 515 MPa | 925°C |
| 316L | 16% Cr, 10% Ni, 2% Mo, Low C | 485 MPa | 925°C |
Stainless Steel Pipe Advantages
- Exceptional corrosion resistance in harsh environments
- Maintains strength at high temperatures
- Hygienic surface ideal for food and medical applications
- Low maintenance requirements
- 100% recyclable and environmentally friendly
Stainless Steel Pipe FAQ
What is the difference between 304 and 316 stainless steel pipes?
The primary difference lies in their chemical composition. Type 316 contains molybdenum (2-3%) which gives it superior corrosion resistance, especially against chlorides and other industrial solvents. Type 304 is more economical and suitable for most standard applications where extreme corrosion resistance isn't required.
How do I determine the right wall thickness for my stainless steel pipe?
Wall thickness (schedule) should be selected based on your system's pressure requirements, fluid characteristics, and temperature conditions. Higher pressure systems require thicker walls (SCH 40, 80). For corrosive fluids, a slightly thicker wall provides additional safety margin against pitting corrosion over time.
Can stainless steel pipes be welded?
Yes, stainless steel pipes can be welded using appropriate techniques. For 304 pipes, use 308 filler metal. For 316 pipes, use 316L filler. Always purge the inside with argon gas during welding to prevent oxidation. Post-weld annealing may be required for critical applications to restore corrosion resistance.
Available Stainless Steel Pipe Sizes
| NPS (inches) | Outside Diameter (mm) | Schedule 5S (mm) | Schedule 10S (mm) | Schedule 40S (mm) |
|---|---|---|---|---|
| 1/2 | 21.3 | 1.65 | 2.11 | 2.77 |
| 3/4 | 26.7 | 1.65 | 2.11 | 2.87 |
| 1 | 33.4 | 1.65 | 2.77 | 3.38 |
| 2 | 60.3 | 1.65 | 2.77 | 3.91 |
| 4 | 114.3 | 2.11 | 3.05 | 6.02 |
More Stainless Steel Pipe Questions
What surface finishes are available for stainless steel pipes?
We offer several standard finishes: Annealed (mill finish), Electropolished (for ultra-smooth surfaces), Bright Annealed (smooth and reflective), and Bead Blasted (matte finish). The choice depends on your application requirements - hygienic applications typically use electropolished, while architectural projects often specify bright annealed.
How do I prevent corrosion in stainless steel pipes?
Proper material selection is key - use 316 for chloride environments. Ensure complete passivation after fabrication. Maintain clean surfaces - avoid iron contamination. For welded systems, consider post-weld treatments. In stagnant water applications, ensure proper drainage to prevent pitting. Regular inspection and cleaning also extend service life.
What certifications do your stainless steel pipes have?
Our pipes are certified to meet ASTM A312, ASTM A269, and ASME B36.19 standards. We provide full material traceability with Mill Test Certificates (MTC) showing chemical composition and mechanical properties. Additional certifications (PED, NACE) are available upon request for specialized applications.
Installation Guidelines
- Handle pipes with clean gloves to prevent contamination
- Use proper support spacing (every 8-12 feet for horizontal runs)
- Allow for thermal expansion (3.5mm per meter for 100°C change)
- Use compatible gasket materials (EPDM, PTFE for chemical resistance)
- Inspect flange faces for scratches before assembly