Chanchai Stainless proudly supplies Stainless Steel 446 Pipes that provide excellent resistance to oxidation, scaling, and high-temperature corrosion. Produced precisely in Bangkok, Thailand, these pipes are designed for industries that operate in extreme conditions. Stainless Steel 446 is a ferritic alloy that performs well in locations exposed to hot gases and sulfur compounds. Its durability, toughness, and ability to resist creep deformation make it a strong choice for industries needing long-lasting materials. With its distinct composition and performance, Stainless Steel 446 Pipes are ideal for thermal processing, chemical operations, and other demanding industrial applications.
Stainless Steel 446 pipes include chromium (23–27%), molybdenum, and very low carbon. This composition gives them superior resistance to oxidation, sulfidation, and scaling up to 1100°C. Their tensile strength is around 485 MPa, and yield strength is 275 MPa, ensuring structural reliability at high temperatures. The ferritic microstructure reduces thermal expansion while providing good creep strength. Although they are not as ductile as austenitic grades, Stainless Steel 446 maintains adequate toughness and weldability for industry use. Their notable heat resistance makes them an economical and reliable choice for challenging high-temperature 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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Chanchai 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 commonly found in thermal power plants, furnace parts, and high-temperature exhaust systems due to their excellent scaling resistance. In chemical processing, they are used in burners, heat exchangers, and equipment that handle sulfur-rich environments. The alloy serves in cement plants, kilns, and metallurgical industries where pipes face extreme heat and corrosive conditions. Stainless Steel 446 pipes are also used in petroleum refining and waste incineration plants, where resistance to oxidation and sulfidation is crucial. Their strong performance at high temperatures makes them essential for industries that require durability, reliability, and resistance to harsh conditions.
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