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- Kuala lumpur, Malaysia
Home > Stainless Steel > Stainless Steel 321 and 321H Instrumentation Tubing
Maria Pipes and Tubes, a reputable manufacturer and supplier based in Kuala Lumpur, Malaysia, proudly offers top-notch Stainless Steel 321 and 321H Instrumentation Tubing. These tubes are crafted for precision, durability, and exceptional performance in high-temperature settings. Thanks to titanium stabilization, these grades boast impressive resistance to intergranular corrosion and oxidation, even in environments that experience frequent thermal cycling. The 321H variant, which has a higher carbon content, provides enhanced strength against creep and stress rupture. Adhering to strict international standards, Maria Pipes and Tubes guarantees dimensional accuracy, smooth internal finishes, and dependable performance, making these tubes perfect for critical measurement and control applications.
The composition of Stainless Steel 321 and 321H Instrumentation Tubing includes chromium, nickel, and titanium, which helps prevent carbide precipitation when exposed to elevated temperatures. Grade 321 is known for its excellent oxidation resistance up to 870°C, while Grade 321H stands out for its superior strength retention at high temperatures due to its increased carbon content. These tubes are characterized by high tensile strength, good yield strength, impressive elongation, and stable mechanical properties, making them ideal for high-pressure and high-temperature instrumentation systems. Their precise formulation ensures consistent performance even in demanding industrial environments.
| Grade | Range | Ni | Cr | P | Fe | C | Mn | N | Si | S | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 321 | Min. | 9.0 | 17.0 | 0 | 65.045 | – | – | – | – | – | – |
| Max. | 12.0 | 19.0 | 0.045 | – | 0.08 | 2.0 | 0.10 | 1.0 | 0.030 | 5(C+N) -0.70 | |
| 321H | Min. | 9.0 | 17.0 | – | 65.25 | 0.04 | – | – | – | – | – |
| Max. | 12.0 | 19.0 | 0.045 | 0.010 | 2.00 | 0.10 | 1.00 | 0.030 | 4(C+N) -0.70 |
| Grade | Tensile Strength min (MPa) | Yield Strength 0.2% Proof min (MPa) | Hardness | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell max (HB) | Rockwell B max (HR B) | ||||
| 321/321h | 515 | 205 | 217 | 95 | 40% |
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 and 321H Instrumentation Tubing from Maria Pipes and Tubes ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.
Maria Pipes and Tubes, one of the largest suppliers of Stainless Steel 321 and 321H Instrumentation Tubing in Kuala lumpur, Malaysia, 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.
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 321 | S32100 | 321S31 | X6CrNiTi18-10 | 1.4541 | – | SUS 321 | 2337 | – |
| 321h | S32109 | 321S51 | X10CrNiTi18-10 | 1.4878 | – | SUS 321h | – | – |
Yes, we offer custom sizes for Stainless Steel 321 and 321H Instrumentation Tubing to meet your specific requirements. Our team at Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
Stainless Steel 321 and 321H Instrumentation Tubing finds extensive use across various industries, including oil and gas, petrochemical, chemical processing, aerospace, and power generation. They are commonly utilized in process control systems, pressure measurement lines, hydraulic and pneumatic instrumentation, and high-temperature fluid transfer applications. Their ability to maintain mechanical integrity and resist corrosion under tough conditions guarantees the reliable operation of critical systems. With a blend of long service life, minimal maintenance needs, and excellent dimensional stability, these tubes are the go-to choice for industries that require accuracy and reliability.
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