Stainless Steel 446 Pipes are crafted from a high-chromium ferritic stainless steel that stands out for its remarkable resistance to oxidation, corrosion, and high-temperature scaling. These pipes are incredibly stable in environments that experience extreme heat, making them perfect for furnace components, heat-treatment equipment, and thermal processing systems. With their impressive durability, minimal maintenance needs, and cost-effectiveness, Stainless Steel 446 Pipes are a go-to choice for industries where heat resistance and reliability are crucial. They also offer good formability and structural strength, ensuring they perform well over the long haul in both industrial and engineering settings.
Typically, Stainless Steel 446 Pipes boast a high chromium content—around 23–27%—along with low carbon levels and small amounts of molybdenum, silicon, and manganese to boost stability and corrosion resistance. This unique composition allows for excellent performance at elevated temperatures and outstanding resistance to scaling. On the mechanical side, these pipes show good tensile strength, moderate yield strength, and dependable toughness under thermal stress. Their ferritic structure helps them resist thermal fatigue, oxidation, and sulfur attack, making them a reliable choice for high-temperature operations and tough industrial environments.
| STANDARD | 446 |
|---|---|
| UNS | S44600 |
| WERKSTOFF NR. | 1.4762 / 1.4763 |
| EN | X10CrAlSi25 / X10CrAlSi24 |
| STAS | X10CrAl240 |
| PN | H24JS |
| DIN | X10CrAl24 |
| AFNOR | Z12CAS25 |
| AISI | 446 |
| Grade | C | Mn | Si | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 446 | 0.20 max | 1.50 max | 1.0 max | 0.040 max | 0.030 max | min: 23.0 max: 27.0 | 0.25 max |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 446 | 550 | 345 | 20 | 159 | 51.1 |
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Niazi Stainless ensures very high quality standards for Stainless Steel 446 Pipes by rigorous testing and certification processes. Each pipe will be subjected to a comprehensive inspection process, checking the chemical composition, mechanical property testing, and dimensional inspection, with relevant certificates such as MTRs available for guarantee of product integrity and performance.
SS 446 seamless pipes are made from high-chromium stainless steel, offering excellent resistance to oxidation and corrosion at elevated temperatures. Ideal for high-temperature applications, they provide strength and durability.
Stainless Steel 446 welded pipes are crafted from high-chromium stainless steel, providing superior resistance to oxidation and corrosion at high temperatures. They are durable and suitable for demanding industrial applications.
SS UNS S44600 pipes are made from high-chromium stainless steel, known for exceptional resistance to oxidation and corrosion at elevated temperatures. They are ideal for high-stress, high-temperature industrial applications.
Stainless Steel 446 EFW pipes are electric fusion welded, featuring high chromium content for excellent oxidation and corrosion resistance at elevated temperatures. They are durable and suitable for demanding industrial environments.
Stainless Steel 446 round pipes are high-chromium stainless steel products offering excellent resistance to oxidation and corrosion at high temperatures. They are durable, versatile, and suitable for various industrial applications.
Stainless Steel 446 ERW pipes are electric resistance welded, featuring high chromium content for superior oxidation and corrosion resistance. They are ideal for high-temperature applications and offer durability and strength.
You’ll find Stainless Steel 446 Pipes in a variety of applications that demand exceptional heat and oxidation resistance. They’re ideal for furnace components, burner tubes, kiln parts, and heat-treatment conveyors. In petrochemical plants, they’re utilized for high-temperature ducting, refinery heaters, and recuperators. Power generation units use these pipes in boiler parts, superheater tubes, and exhaust systems. They’re also found in chemical processing, incineration systems, and thermal processing plants where performance under extreme temperatures is essential. Plus, their corrosion resistance makes them valuable in certain marine applications.
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