Weston Stainless, based in Midland, UK, is a prominent distributor of stainless steel products of high quality, providing long-lasting and corrosion-resistant solutions to numerous industries. Among its top-notch products, Stainless Steel 446 Bolts have become extremely popular for their superior high-temperature resistance, stability against oxidation, and mechanical toughness. Under Grade 446, the bolts are available in different shapes such as hex, square, and U-bolts, which guarantees versatility in applications. Made from ferritic stainless steel, these offer greater heat resistance, superior corrosion protection, and long-term strength, rendering them suitable for application in high-temperature conditions and harsh industrial environments.
446 Stainless Steel Bolts consist mainly of iron with high chromium composition (23-27%) for improved oxidation as well as corrosion resistance. They include carbon, manganese, silicon, and trace amounts of other elements that are beneficial for mechanical properties. These bolts provide tensile strength of around 550 MPa, yield strength of around 310 MPa, and elongation of 20% for sound structural stability. Physical properties encompass density of about 7.7 g/cm³ and superior thermal conductivity with which they perform well in service in the vicinity of high temperature as well as hostile environmental 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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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.
High heat resistance fastener with a hexagonal head, providing the excellent durability and corrosion resistance required by industrial and marine applications
Corrosion-resistant fastener with a threaded shaft and thin, leg-like shape, ideal for secure, tight connections in high-temperature challenging mechanical environments
Corrosion-resistant fastener designed to secure materials on concrete or masonry, expand during installation and maintain strong and durable strength under extreme conditions in
Features a hexagonal head with an integrated flange, providing secure fastening and even load distribution in high-temperature, corrosive environments, enhancing durability and reliability.
Completely threaded shaft, offering consistent engagement and grip. They excel in high-temperature and corrosive environments, providing durability and strength for demanding applications.
Stainless Steel 446 Bolts find extensive applications in industries demanding high-temperature and corrosion-resistant fastening solutions, including power plants, heat exchangers, and furnace parts. They are critical to petrochemical plants, cement production, and incinerators, where resistance to scaling and oxidation is a must. These bolts are also applied in exhaust systems, refractory anchoring systems, and other thermal processing equipment. Their outstanding toughness, mechanical strength, and capacity for resistance against severe heat render them the best suited for demanding industrial usage.
Stainless Steel 446 Bolts are dispatched along with test certificates like EN 10204 3.1 or 3.2, ensuring they adhere to global standards of quality. They are well packed in wooden crates, bubble wraps, or plastic-capped ends to secure safe transportation without sustaining any damage. Delivery times are differed based on order size and destination, and efficient logistical arrangements ensure timely dispatch. Special packaging arrangements can be provided on request to suit particular customer requirements, with the bolts delivered in best possible condition.
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