Niazi Stainless, a well-respected manufacturer and supplier located in Manama, Bahrain, specializes in top-notch Stainless Steel 347H Tubing that’s crafted to excel in high-temperature and corrosive settings. These tubes are perfect for industries that demand exceptional creep resistance, outstanding durability, and long-lasting stability even when the heat is on. With a focus on precision manufacturing and adherence to global quality standards, Niazi Stainless guarantees that each 347H tube maintains reliable structural integrity and superb weldability. Their Stainless Steel 347H Tubing is a popular choice for thermal processing, petrochemical, and power generation applications, making them a go-to partner for critical and high-performance industrial needs.
Stainless Steel 347H Tubing is made with chromium, nickel, and a higher carbon content to boost its strength at high temperatures and enhance creep resistance. The inclusion of niobium helps stabilize the alloy, preventing carbide precipitation during welding and extended heat exposure. This tubing showcases impressive tensile and yield properties, excellent oxidation resistance, and consistent mechanical performance, even in elevated temperatures. Its superior creep strength allows it to perform effectively through thermal cycles, while its corrosion resistance ensures it remains durable in oxidizing and mildly corrosive environments. These well-balanced characteristics make 347H an ideal choice for high-heat industrial applications.
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 |
| Dimensions | ASTM, ASME, and API |
| Size | 1/8″NB TO 30″NB IN |
| 304 Pipes & Tubes Size | 1/2″ NB – 16″ NB |
| ERW 304 Pipes & Tubes | 1/2″ NB – 24″ NB |
| EFW 304 Pipes & Tubes | 6″ NB – 100″ NB |
| Thickness | 0.3mm – 50 mm |
| Specialized in | Large Diameter Size |
| Schedule | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic, Oval, U Shape, Pan Cake Coils, Coiled Etc |
| Length | Single Random, Double Random & Required Length. |
| End | Plain End, Beveled End, Treaded |
| Stainless Steel | Nickel | Magnesium | Silicon | sulfur | Carbon | Chromium | Phosphorus | Molybdenum | Nitrogen | |
| 347H | Minimum | 9 | 00.04 | 17 | 3 | |||||
| Maximum | 13 | 2 | 1 | 00.030 | 00.10 | 19 | 00.045 | 4 | ||
| SS Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| Rockwell B | Brinell | ||||
| SS 347H | 515 | 205 | 40 | 92 | 201 |
Contact us to get a quick quote for your requirement.
We offers highest quality in its Stainless Steel 347H Tubing with severe testing and certification. Each product is thoroughly checked for dimensional measurements, mechanical tests, and corrosion resistance. Full certification including MTCs will be provided by us for your assurance that all the international standards and requirements are met.
This tubing comes in various sizes, typically ranging from 1/8″ to 12″ in diameter. It offers high resistance to oxidation and corrosion, particularly in high-temperature environments. Ideal for applications requiring robust strength and durability.
Available in diameters from 1/2″ to 12″, this tubing is welded and offers similar high-temperature strength as seamless options. It is highly resistant to intergranular corrosion and is used in environments exposed to sulfuric and nitric acids.
These tubes are generally available in sizes from 1/4″ to 2″ OD. They are specifically designed for high-efficiency heat transfer and offer excellent resistance to oxidation and sulfidation. Suitable for use in high-temperature heat exchangers.
Instrumentation tubing sizes typically range from 1/16″ to 1″. It is designed for precise and reliable measurements in harsh environments, providing excellent resistance to corrosion and high temperatures.
Available in diameters from 1/2″ to 5″, these tubes are designed to withstand high pressures and temperatures in boilers. They offer strong resistance to oxidation and carburization, making them ideal for high-temperature steam applications.
These tubes are usually sized from 1/2″ to 3″ in diameter and are formed into a U-shape for use in heat exchangers and other applications. They provide high resistance to corrosion and high-temperature deformation.
Condenser tubes come in sizes from 1/2″ to 3″ OD. They are designed for efficient heat transfer and resist corrosion from various coolants and environmental conditions, ensuring longevity in condenser systems.
You’ll find Stainless Steel 347H Tubing widely utilized in industries that operate under extreme heat and pressure. It’s commonly used in power generation systems, boiler tubes, superheaters, and heat exchanger equipment thanks to its remarkable high-temperature stability. The petrochemical and refinery sectors rely on 347H tubing for catalytic cracking units, furnace components, and high-stress piping lines. It’s also well-suited for thermal processing equipment, exhaust systems, aerospace applications, and chemical handling environments. Its ability to endure thermal fatigue and oxidation makes it a reliable option for demanding industrial settings.
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