Lecong Stainless, a trusted manufacturer and supplier based in Da Nang, Vietnam, specializes in high-performance Stainless Steel 446 Bolts designed to endure extreme heat and harsh environments. These bolts are celebrated for their remarkable resistance to oxidation, sulfidation, and scaling at high temperatures, making them perfect for industries such as petrochemical, power generation, metallurgy, and furnace manufacturing. Made from ferritic stainless steel with a high chromium content, Stainless Steel 446 ensures exceptional durability, toughness, and secure fastening, even when exposed to prolonged heat. Lecong Stainless is committed to delivering precision-engineered bolts that adhere to international standards, providing long-lasting strength and reliability for demanding industrial applications.
The composition of Stainless Steel 446 Bolts primarily includes iron and 23–27% chromium, which grants them outstanding heat and corrosion resistance. Their low carbon content enhances weldability and minimizes the risk of carbide precipitation, boosting overall performance. Mechanically, these bolts exhibit good tensile strength, excellent creep resistance, and stability at elevated temperatures. Their unique combination of high hardness, durability, and thermal stability makes them highly effective for fastening in challenging operational conditions.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 446 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 446 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 446 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 446 bolts are high-temperature, corrosion-resistant fasteners with excellent oxidation resistance. They are ideal for extreme environments, such as marine and industrial applications, providing durability and strength.
Custom Stainless Steel 446 Hex Bolt is a tailored, high heat resistance fastener with a hexagonal head, providing the excellent durability and corrosion resistance required by industrial and marine applications
Stainless Steel 446 Leg Bolt is a corrosion-resistant fastener with a threaded shaft and thin, leg-like shape, ideal for secure, tight connections in high-temperature challenging mechanical environments
Stainless Steel 446 Expansion Anchor Bolt is a corrosion-resistant fastener designed to secure materials on concrete or masonry, expand during installation and maintain strong and durable strength under extreme conditions in
Stainless Steel 446 hex flange head bolt features a hexagonal head with an integrated flange, providing secure fastening and even load distribution in high-temperature, corrosive environments, enhancing durability and reliability.
Stainless Steel 446 full threaded bolts have a completely threaded shaft, offering consistent engagement and grip. They excel in high-temperature and corrosive environments, providing durability and strength for demanding applications.
Each of the Stainless Steel 446 Bolts is packed with the highest level of care, using only the best quality raw materials to prevent them from rust and other defects arising during the shipping process. Our concern on customer satisfaction, it is important for us that a delivery is on-time through the most efficient possible modes of transport. All the related documents will also be handed-over to our clients on the day of delivery to ensure total transparency and reliability.
You’ll find Stainless Steel 446 Bolts commonly used in furnace assemblies, heat exchangers, and boiler systems, thanks to their ability to resist scaling and oxidation. They’re also utilized in petrochemical plants, refineries, and gas turbine systems for reliable fastening in corrosive and high-temperature environments. Power plants incorporate them into flue gas systems and superheater equipment, while the metallurgical and chemical industries rely on them for high-temperature processing machinery. With their robust performance and resistance to aggressive conditions, Stainless Steel 446 Bolts are a go-to choice for heavy-duty, high-temperature fastening solutions.
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