Njabulo Stainless is a reputable manufacturer and supplier of Stainless Steel 446 Pipes, proudly based in Cape Town, South Africa. This company focuses on crafting high-quality ferritic stainless steel pipes that excel in high-temperature and corrosive environments. Thanks to cutting-edge manufacturing technology and rigorous quality control, Njabulo Stainless delivers durable and precise piping solutions for various industries, including power generation, heat treatment, chemical processing, and metallurgy. Their Stainless Steel 446 Pipes are well-known for their outstanding oxidation resistance, strength, and stability even in elevated temperature conditions.
These pipes are primarily made up of iron, chromium (23–27%), and trace amounts of manganese, silicon, and carbon, with no nickel included. This unique composition grants them remarkable resistance to oxidation, sulfidation, and scaling at temperatures reaching up to 1100°C. With a tensile strength of about 485 MPa and a yield strength of around 275 MPa, they also boast good ductility. Their ferritic structure provides strong resistance to thermal fatigue and corrosion, making them perfect for high-temperature applications where minimal deformation or cracking is crucial.
| 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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Njabulo 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.
Stainless Steel 446 Pipes are extensively utilized in industries that face extreme heat and corrosive conditions. They are particularly suited for applications like furnace components, heat exchangers, boiler tubes, kiln linings, and incinerator parts. In the chemical and petrochemical sectors, these pipes are essential for managing hot gases and corrosive fluids. Additionally, they are commonly found in power plants and exhaust systems due to their impressive ability to resist oxidation and scaling. Their exceptional performance in both thermal and corrosive environments makes them a top choice for long-lasting, high-temperature service applications.
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