Mitchell Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel 446 Bolts based in Hamilton, New Zealand. They cater to a variety of industrial sectors, providing precision-engineered fastening solutions. Renowned for their dedication to durability, reliability, and exceptional craftsmanship, Mitchell Stainless delivers bolts that adhere to strict international standards and can handle tough environmental conditions. With cutting-edge manufacturing capabilities and a strong focus on customer service, the company guarantees consistent product quality and timely deliveries. Their Stainless Steel 446 Bolts are a popular choice for applications that demand outstanding heat and corrosion resistance, making Mitchell Stainless a go-to option for industries throughout Hamilton and beyond.
Stainless Steel 446 Bolts are primarily made up of a high chromium content (around 23–27%), along with low levels of carbon, manganese, silicon, and small traces of sulfur and phosphorus. This ferritic alloy is designed to provide excellent oxidation resistance and stability at high temperatures. In terms of mechanical properties, SS 446 bolts showcase good tensile strength, impressive scaling resistance, and dependable dimensional stability under thermal stress. Their low nickel content not only keeps costs down but also ensures performance in corrosive and high-temperature settings. These characteristics make SS 446 bolts ideal for demanding structural and heat-intensive applications.
|
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.
Stainless Steel 446 Bolts find extensive use in industries that need components capable of enduring extreme heat, corrosion, and scaling. They are perfect for furnace parts, heat exchangers, petrochemical processing equipment, kiln linings, and power generation systems. Their robust resistance to oxidation makes them suitable for high-temperature gas environments. In chemical plants, SS 446 bolts are favored for equipment that comes into contact with sulfur-bearing atmospheres and acidic substances. They are also utilized in thermal processing applications, where their durability and performance are crucial.







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