Kyaw Stainless, a reputable manufacturer and supplier located in Naypyidaw, Myanmar, focuses on crafting top-notch Stainless Steel 347H Fasteners tailored to meet the rigorous demands of industrial applications. With state-of-the-art manufacturing facilities and a commitment to strict quality control, Kyaw Stainless guarantees outstanding performance, durability, and resistance to corrosion in every product they offer. Their Stainless Steel 347H Fasteners are well-known for their impressive high-temperature strength and remarkable resistance to intergranular corrosion, making them perfect for challenging environments where mechanical integrity and oxidation resistance are essential.
These fasteners are primarily made up of chromium, nickel, carbon, and niobium, providing excellent mechanical and chemical stability even at elevated temperatures. The inclusion of niobium boosts resistance to carbide precipitation, while the higher carbon content enhances creep strength. With a tensile strength of about 515 MPa and a yield strength of 205 MPa, these fasteners also boast good elongation properties, ensuring they are tough and reliable. They excel in resisting oxidation and corrosion in both oxidizing and reducing environments, making them a great choice for long-lasting performance.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347H Fasteners
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 193 |
3 mm
to
200 mm
|
M02 to M33
|
| Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
| 347H | min. max | 2.00 | – | 0.045 | 0.04 0.10 | 0.030 | 17.0 19.0 | 3 – 4 | 0.75 | 9.00 13.00 | – – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 40 | 95 | 217 |
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Highly resistant to corrosion, Ideal for high-temperature environments. Available in sizes from M2 to M64, they offer robust performance in harsh conditions, maintaining structural integrity and reliability.
Corrosion-resistant and suited for high-stress applications, Come in diameters ranging from M6 to M36 and lengths up to 1000 mm. They are used in industrial settings where high strength and resistance to oxidation are required.
Featuring excellent resistance to oxidation and corrosion, Available in sizes from M5 to M50, with lengths varying from 10 mm to 300 mm. They are ideal for high-temperature and corrosive environments.
Highly resistant to corrosion, Stainless Steel 347H threaded rods are available in diameters from M6 to M36 and lengths up to 3000 mm. They provide excellent mechanical strength and are used in high-temperature applications.
Offering super corrosion resistance, Stainless Steel 347H screws are available in sizes from M3 to M20 and lengths ranging from 10 mm to 100 mm. They are suitable for high-temperature and aggressive chemical environments.
Corrosion-resistant and durable Stainless Steel 347H washers come in sizes ranging from M2 to M64. They are designed to distribute load evenly and prevent surface damage in high-temperature and corrosive environments.
These SS 347H Fasteners find extensive use in heat exchangers, boilers, pressure vessels, chemical processing plants, power plants, and aerospace systems because they are capable of functioning in harsh environments of extreme temperature and oxidation. Their creep deformation resistance and resistance to intergranular corrosion give them the potential to be applied in superheaters, exhaust systems, and high-stress structural components to provide long service life and efficient performance under aggressive industrial conditions.
Stainless Steel 347H Fasteners find their place in various industries that require high-temperature strength and corrosion resistance. They are commonly used in power generation, chemical processing, petrochemical plants, heat exchangers, exhaust manifolds, and boiler equipment. Their ability to maintain mechanical stability at high temperatures makes them ideal for furnace components, pressure vessels, and refinery operations. Additionally, these fasteners are utilized in the food processing, aerospace, and marine sectors, where exceptional resistance to scaling and oxidation under high-stress conditions is crucial for reliable and enduring performance.







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