Stainless Steel 321 Seamless Pipes
Arrow Piping Solutions is a leading manufacturer and supplier of top-grade Stainless Steel 321 Seamless Pipes. These pipes are made from titanium-stabilized austenitic stainless steel, known for its exceptional resistance to high temperatures, oxidation, and intergranular corrosion. SS 321 maintains its strength and reliability even in extreme conditions, ensuring superior mechanical performance and long service life.
Our high-quality UNS S32100 Seamless Pipes consist of 9–12% Nickel and 17–19% Chromium, providing outstanding durability and corrosion resistance. With a tensile strength of 515 MPa, a yield strength of 205 MPa, and hardness up to 95 HRB, these pipes are strong yet workable. Available in Round, Square, Rectangle, Coil, and U-Shape forms, SS 321 Seamless Pipes are designed for high-demand applications.
Each pipe is clearly marked with grade, size, schedule, heat number, and manufacturer details. Packaging includes waterproof wrapping, wooden crates, plastic end caps, and strong straps to ensure damage-free global delivery.
Stainless Steel 321 Seamless Pipe Specifications
| Specifications | ASTM A312 / ASTM SA312 |
|---|---|
| Standards | AISI, DIN, EN, GB, JIS, ASTM, ASME |
| Pipe Dimensions | ANSI/ASME B36.19, B36.10 |
| Range | 6NB to 1200NB |
| Outer Diameter | 1/8″ NPS to 12″ NPS |
| Thickness | 0.6 mm to 12.7 mm |
| Schedules | SCH 5 to SCH XXS |
| Length | Single Random, Double Random & Cut Length |
| Types | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| End | Plain End, Beveled End |
| Manufacturing | Seamless |
| Marking | Grade, Size, Schedule, Heat No., Manufacturer |
Key Benefits of Stainless Steel 321 Seamless Pipes
- Excellent High-Temperature Resistance – Ideal for heat exchangers and exhaust systems
- Superior Weldability – No pre or post-heat treatment required
- Smooth Surface Finish – Reduces fluid friction and enhances flow
- Lightweight Yet Strong – Easy to transport, install, and maintain
- Long Lifespan – Resistant to corrosion, cracking, and thermal stress
Applications of Stainless Steel 321 Seamless Pipes
- Marine Industry
- Petrochemical Plants
- Pharmaceutical Processing
- Power Generation
- Oil & Gas Transport
- Chemical Industries
- Heat Exchangers
- Food Processing Equipment
- Exhaust Systems
- Pressure Vessels
Testing & Certifications
Our Stainless Steel 321 Seamless Pipes are backed by rigorous inspection and testing processes. We ensure high standards through:
- Mill Test Certificate (EN 10204/3.1B)
- PMI and IGC Testing
- Hydrostatic & Radiography Test
- Chemical and Mechanical Analysis
- Hardness and Visual Inspection
- Third-Party Inspection on Request
Packing & Marking
Arrow Piping Solutions carefully packs SS 321 Seamless Pipes using wooden crates, plastic wraps, and steel bands to avoid any damage during transit. Custom markings are available on request, and all products are labeled with grade, OD, schedule, heat number, and manufacturer details for traceability.
Need Fast Delivery in Mumbai?
Contact Arrow Piping Solutions for competitive prices and prompt supply of Stainless Steel 321 Seamless Pipes. Reach out at:
Phone: +91-80973-20872
Email: inquiry@arrowpiping.co.in