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Home > Stainless Steel > Stainless Steel 304H Instrumentation Tubing
Blundell Pipes and Tubes, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 304H Instrumentation Tubing. Renowned for their precision engineering and commitment to international quality standards, they offer tubing solutions that excel in corrosion resistance, high-temperature strength, and dimensional accuracy. Their Stainless Steel 304H Instrumentation Tubing is perfect for applications that demand precise fluid measurement, monitoring, and control in tough industrial environments. With cutting-edge manufacturing capabilities, prompt delivery, and a strong focus on customer satisfaction, Blundell Pipes and Tubes caters to the chemical, petrochemical, power generation, and instrumentation sectors around the world.
The composition of Stainless Steel 304H Instrumentation Tubing includes chromium (18–20%) and nickel (8–10.5%), with its higher carbon content boosting its high-temperature strength and durability. It boasts a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of 40%, which together provide excellent toughness, mechanical stability, and resistance to corrosion. This tubing maintains its integrity even under thermal cycling and exposure to harsh chemicals, making it a reliable choice for industrial and instrumentation systems.
| Grade | Range | Cr | Ni | C | P | Mn | Si | S | Mo |
|---|---|---|---|---|---|---|---|---|---|
| 304h | min | 18 | 8 | 0.04 | 0.045 | – | – | – | – |
| max | 20 | 10.5 | 0.10 | 0.045 | 2 | 0.75 | 0.030 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Brinell (HB) max | Rockwell B (HR B) max | ||||
| 304h | 205 | 515 | 40 | 92 | 201 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 304H Instrumentation Tubing is an austenitic stainless steel grade that features a higher carbon content (0.04–0.10%) compared to standard 304, which enhances its high-temperature strength and creep resistance. Its makeup includes chromium (18–20%), nickel (8–10.5%), along with trace amounts of manganese, silicon, sulfur, and phosphorus. On the mechanical side, it boasts high tensile and yield strength, good ductility, and outstanding resistance to oxidation and intergranular corrosion, making it ideal for high-temperature instrumentation and process applications.
Blundell Pipes and Tubes, one of the largest suppliers of Stainless Steel 304H Instrumentation Tubing in Hamilton, New Zealand, 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 | |||||
| 304h | S30409 | 304S51 | – | 1.4948 | X6CrNi18-11 | – | – | – |
This type of tubing is widely utilized in industries that require precise, corrosion-resistant, and heat-tolerant solutions. Typical applications include process instrumentation, flow measurement, pressure and temperature sensors, chemical transport lines, and laboratory equipment. The combination of high-temperature strength, dimensional accuracy, and corrosion resistance makes Stainless Steel 304H Instrumentation Tubing the go-to choice for critical instrumentation systems where reliability, precision, and long-lasting performance are key.
You’ll find Stainless Steel 304H Instrumentation Tubing widely utilized in instrumentation and control systems, process piping, hydraulic and pneumatic systems, and chemical plants where high-temperature performance and corrosion resistance are critical. It’s also commonly used in oil and gas refineries, power generation facilities, pharmaceutical industries, and marine environments that demand precision and durability. Furthermore, it’s suitable for food and beverage processing, water treatment, and other essential applications where long-term reliability and resistance to oxidation and corrosion are vital. With its impressive combination of high-temperature strength, corrosion resistance, and precision, Stainless Steel 304H Instrumentation Tubing stands out as the ideal choice for demanding industrial and commercial needs.
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