Home > Stainless Steel > Stainless Steel 321/321H Seamless Tubing
For businesses and industrial clients in Safat and across Kuwait, Lathief Pipes stands as your reliable partner for premium metal solutions. As a trusted manufacturer and supplier, we are proud to offer Stainless Steel 321/321H Seamless Tubing, a product line engineered for exceptional performance and durability in demanding environments. We understand that your projects require materials you can count on, which is why we ensure our tubing meets the highest standards of quality and reliability.
This specific grade is stabilized with titanium, which significantly enhances its resistance to carbide precipitation. This clever composition allows it to maintain excellent strength and corrosion resistance even after exposure to high temperatures, making it far superior to standard 304 stainless steel in challenging conditions. The mechanical properties are equally impressive, offering robust performance under intense pressure and heat.
Tube Range : 6.35 mm OD To 101.6 mm OD Guage: 25 SWG – 10 SWG
Outer Diameter : 3.00 mm – 219.10 mm
Wall Thickness : 0.40 mm – 12.70 mm
Schedules : 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Length : Upto 30 meters, Custom Cut Lengths
Specifications : ASTM A213 / ASTM SA213
Types : Round, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes
| SS | 321 | 321H |
| Ni | 09 – 12 | 09 – 12 |
| N | 0.10 | 0.10 |
| Cr | 17 – 19 | 17 – 19 |
| C | 0.08 max | 0.04 – 0.08 |
| Si | 1 max | 0.75 max |
| Mn | 2 max | 2 max |
| P | 0.040 max | 0.045 max |
| S | 0.030 max | 0.03 max |
| TI | 4(C+N) | 0.70 max |
| Grade | 321 | 321H |
| Tensile Strength (MPa) min | 515 | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 | 205 |
| Elongation (% in 50mm) min | 40 | 40 |
| Hardness | ||
| Rockwell B (HR B) max | 95 | 95 |
| Brinell (HB) max | 217 | 217 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 321/321H Seamless Tubing from Lathief Pipes and Tubes guarantees you a high-performance product designed for challenging environments. Our tubing offers exceptional resistance to oxidation and intergranular corrosion, making it perfect for high-temperature applications in industries like aerospace, chemical processing, and petrochemical. With a focus on quality, we implement stringent testing and quality control measures to ensure durability and reliability. Our expert team provides tailored solutions to meet your specific needs, ensuring customer satisfaction. Trust Lathief for superior stainless steel tubing that enhances the safety and efficiency of your operations.
Lathief Pipes and Tubes, one of the largest suppliers of Stainless Steel 321/321H Seamless Tubing in Safat, Kuwait, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel 321/321H Seamless Tubing to meet your specific requirements. Our team at Lathief Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@lathiefpipes.com.
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
| 321H | S32109 | 321S51 | – | 1.4878 | X6CrNiTi18-10 | – | SUS 321H |
321/321H Seamless Stainless Steel Tubing finds extensive application in heat exchangers, steam mains, refinery units, exhaust systems, and furnace parts. Grade 321 is used in welded units that have to resist sensitization, and 321H is suitable for high-temperature, high-pressure applications where greater mechanical strength is imperative. The tubes are suitable for thermal cycling, oxidation, and corrosive medium applications. Stainless Steel 321/321H Seamless Tubing provides a sound, long-term solution for industries demanding tough, heat-resistant tubing with excellent metallurgical stability.
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