Harsh Metalloys, located in Mumbai, India, is a reliable manufacturer and supplier of Stainless Steel 446 Bolts, specifically designed to excel in high-temperature and highly corrosive settings. Made from ferritic stainless steel Grade 446, these bolts boast outstanding resistance to oxidation, sulfidation, and scaling, even when exposed to elevated temperatures. They come in a variety of sizes, threads, and finishes, all conforming to global standards like ASTM A194 and ASME specifications. Commonly used in industries such as heat treatment, power generation, furnace operations, and petrochemicals, Harsh Metalloys delivers fastening solutions that guarantee durability and structural integrity in extreme conditions.
Stainless Steel 446 Bolts are primarily made from ferritic stainless steel, containing 23–27% Chromium and minimal Nickel. This high level of Chromium provides remarkable resistance to oxidation and corrosion at high temperatures. Typically, these bolts have a tensile strength of about 485 MPa and a yield strength close to 275 MPa. While they may not be as ductile as austenitic grades, SS 446 offers dependable thermal stability, toughness, and resistance to scaling in both oxidizing and sulfidizing environments. These characteristics make them perfect for securing components that face intense heat and chemical exposure.
|
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 | – |
Contact us to get a quick quote for your requirement.
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.
Stainless Steel 446 Bolts are widely used in applications where heat resistance and corrosion protection are critical. Industries such as petrochemical, power generation, metallurgical processing, and furnace manufacturing utilize these bolts to secure components exposed to high temperatures and chemically aggressive environments. Typical applications include heat exchangers, kiln linings, thermal reactors, combustion chambers, and exhaust systems. These bolts maintain structural integrity under thermal cycling and are particularly effective in resisting corrosion from sulfur-bearing gases. Their high performance in extreme conditions makes them an essential component in industrial systems requiring durable and heat-resistant fasteners.
©2024 Harsh Metalloys All Rights Reserved.
