Niazi Stainless, a reputable manufacturer and supplier based in Manama, Bahrain, specializes in top-notch Stainless Steel 446 Tubing that’s built to perform exceptionally well in high-temperature and corrosive settings. Thanks to their cutting-edge manufacturing processes and a commitment to international standards, every tube they produce boasts outstanding durability, thermal stability, and a long lifespan. The Stainless Steel 446 Tubing from Niazi Stainless is specifically designed to resist oxidation, scaling, and chemical damage, making it perfect for tough industrial applications. With a reputation for reliability, precision, and consistent quality, Niazi Stainless has established itself as a go-to source for high-grade stainless steel tubing solutions throughout Bahrain and the GCC region.
This Stainless Steel 446 Tubing is crafted from a high-chromium ferritic stainless steel that contains 23–27% chromium, along with small amounts of molybdenum, silicon, and manganese to boost its corrosion and oxidation resistance. It offers impressive mechanical properties, including high tensile strength, good hardness, and remarkable resistance to scaling at elevated temperatures. SS 446 maintains its structural integrity even under thermal cycling and harsh chemical conditions. Its ferritic microstructure enhances stability, while its durability and toughness guarantee reliable performance in extreme industrial environments.
| Specifications | : | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
| Dimensions | : | ASTM, ASME and API |
| Standards | : | GB/T 14975-2002, GB/T 14976-2002, GB 13296-91, API, ASTM A213, ASTM A312, ASTM A269, JIS G3459, JIS G3463, JIS G3448, DIN17458 |
| 446 Pipes & Tubes | : | 1/2″ NB – 24″ NB |
| ERW 446 Pipes & Tubes | : | 1/2″ NB – 24″ NB |
| EFW 446 Pipes & Tubes | : | 6″ NB – 100″ NB |
| Tubing Size | : | 1/8″NB TO 30″NB IN |
| Specialized in | : | Large Diameter Size |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | N | |
| 446 | Min | – | – | – | – | – | 23.00 | – | – | 0.10 |
| max | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.00 | – | 0.50 | 0.25 |
| Density | 7.5 g/cm3 |
| Melting Point | 1510 °C (2750 °F) |
| Tensile Strength | Psi – 75,000 , MPa – 485 |
| Yield Strength (0.2%Offset) | Psi – 40,000 , MPa – 275 |
| Elongation | 20 % |
Contact us to get a quick quote for your requirement.
We rigorously tested to ensure unparalleled quality and performance. Each product is certified to meet international standards, including ISO and ASTM specifications. Advanced testing methods, such as fluid stability, ultrasonic, and corrosion resistance testing, ensure reliability, customer satisfaction and durability
Highly resistant to oxidation and corrosion, Stainless Steel 446 Seamless Tubing is used in high-temperature environments. It comes in various sizes, typically ranging from 1/8 inch to 12 inches in diameter and up to 60 feet in length, ensuring strength and durability without welds.
Offering excellent corrosion resistance, Stainless Steel 446 Welded Tubing is used where cost-effectiveness is key. Available in diameters from 1/4 inch to 8 inches and lengths up to 20 feet, it is ideal for general industrial applications and is welded for a more affordable solution
With superior resistance to high temperatures and corrosion, Stainless Steel 446 Heat Exchanger Tubes are designed for heat exchange systems. Typically available in diameters from 1/2 inch to 4 inches and custom lengths, they ensure efficient thermal transfer and durability under extreme conditions.
Offering excellent oxidation resistance, Stainless Steel 446 Instrumentation Tubing is used in precise measurement systems. Commonly found in sizes from 1/8 inch to 2 inches in diameter, it provides reliability and accuracy in high-temperature and high-pressure environments.
Known for its high corrosion resistance, Stainless Steel 446 Boiler Tubes are designed to withstand high-pressure and temperature in boilers. Typically available in diameters from 1 inch to 5 inches and lengths up to 30 feet, they are essential for reliable boiler operation.
Featuring excellent resistance to oxidation and corrosion, Stainless Steel 446 U-Tubes are used in compact heat exchangers. They generally come in diameters from 1/2 inch to 3 inches, with customizable lengths and bends to fit specific heat exchanger designs
Stainless Steel 446 Condenser Tubes are highly resistant to high-temperature corrosion. Available in sizes from 1/4 inch to 6 inches in diameter and varying lengths, these tubes are used in condenser systems to handle heat and corrosion effectively.
Offering exceptional corrosion and oxidation resistance, Stainless Steel 446 Fin Tubes enhance heat transfer efficiency. Typically available in diameters from 1/2 inch to 3 inches with fins of various lengths and configurations, they are used in heat exchangers and cooling systems.
You’ll find Stainless Steel 446 Tubing widely used in industries that demand superior heat and corrosion resistance. It’s commonly found in furnaces, heat exchangers, thermal processing systems, and high-temperature exhaust units, thanks to its ability to endure prolonged exposure to intense heat. Petrochemical plants, refineries, and power generation facilities rely on SS 446 tubing for components that come into contact with hot gases and corrosive chemicals. Additionally, it’s utilized in kilns, incinerators, chemical processing equipment, and high-temperature structural applications. With its excellent stability, durability, and resistance to oxidation, SS 446 tubing is a dependable choice for demanding industrial needs.







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