High-quality stainless steel products designed for performance and durability are the specialty of Kyaw Stainless, a reputable manufacturer and supplier in Naypyidaw, Myanmar. Stainless Steel 442 Pipe Fittings stand out among its wide variety due to their exceptional structural strength and heat resistance. These fittings are made with cutting-edge technology and rigorous quality control to guarantee dependability under harsh industrial settings. Kyaw Stainless is a reputable brand for precision stainless solutions in Myanmar because it keeps providing outstanding value to customers in sectors like manufacturing, petrochemicals, and power generation.
Stainless Steel 442 is a ferritic stainless steel alloy with low carbon levels (≤ 0.20%), little nickel, and roughly 18–23% chromium and 0.4%–1.0% molybdenum. At high temperatures, this composition exhibits exceptional resistance to oxidation and scaling. Tensile strength of roughly 620 MPa, yield strength of roughly 310 MPa, and elongation of 20% are typical mechanical characteristics. Even under heat stress, the alloy maintains its strength thanks to its exceptional hardness and moderate ductility.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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Corrosion-resistant designed for high-temperature applications and offer superior strength. They typically come in sizes ranging from M4 to M30 and dimensions matching standard thread specifications for robust fastening.
Excellent corrosion resistance and are ideal for high-stress environments. They are available sizes from M6 to M36, with standard lengths and threads ensuring secure connections in various industrial applications.
Impressive corrosion resistance and are suitable for high-temperature environments. Common sizes include M8 to M36, with varying lengths and thread types available to meet structural and mechanical requirements.
Excellent corrosion resistance, Stainless Steel 442 threaded rods are used in various structural applications. They come in sizes ranging from M6 to M30 and lengths from 1 meter to 3 meters, with customizable threads and finishes.
High corrosion resistance, Stainless Steel 442 screws are used in applications exposed to harsh environments. They are available sizes from M4 to M12, with lengths and head types tailored to specific assembly needs.
Highly resistant to corrosion and are used to distribute load and prevent damage. Available in sizes ranging from M4 to M36, they come in various thicknesses and diameters to match different bolt sizes and applications.
Stainless Steel 422 Fasteners are widely used in industries such as aerospace, power generation, marine, and automotive due to their high strength and thermal stability. They are commonly found in turbine components, exhaust systems, high-pressure valves, and heat exchangers, where they withstand extreme temperatures and stress. Their corrosion-resistant nature makes them ideal for harsh environments, including offshore structures and chemical processing plants. Moreover, these fasteners are employed in heavy machinery and manufacturing facilities where wear resistance and durability are essential for long-term performance under mechanical stress.
Industries that need to withstand heat and oxidation without compromising mechanical integrity frequently use Kyaw Stainless 442 Pipe Fittings. Power-plant tubing systems, kiln linings, exhaust systems, heat exchangers, and furnace parts are among the common uses. They are perfect for metallurgy operations, incineration equipment, and petrochemical plants because of their capacity to function under thermal cycling. Furthermore, in settings where structural deformation, thermal fatigue, or scaling are issues, stainless steel 442 is recommended. These pipe fittings offer long-lasting durability, which lowers maintenance requirements and guarantees effective operation in commercial and industrial piping systems.
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