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Neesham Flanges is a reliable manufacturer and supplier of top-notch Stainless Steel 446 Washers based in Hamilton, New Zealand. They specialize in providing high-quality fastening solutions tailored for demanding industrial applications. Renowned for their precision engineering, outstanding durability, and remarkable corrosion resistance, Neesham Flanges ensures that every washer they produce meets international standards. Their Stainless Steel 446 Washers are built to endure extreme temperatures, chemical exposure, and tough environmental conditions, making them perfect for industries that need dependable, long-lasting fastening components. This includes sectors like power generation, petrochemical, marine, and high-temperature processing equipment.
Crafted from high-chromium ferritic stainless steel, these washers boast excellent resistance to oxidation, scaling, and high-temperature corrosion. They offer superior tensile and yield strength, good thermal stability, and impressive durability under mechanical stress. The low carbon content not only enhances their structural integrity and weldability but also ensures they maintain toughness and performance even in extreme conditions. These features make Stainless Steel 446 Washers a trustworthy choice for critical bolted assemblies that require long-term stability and resilience against harsh environments.
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.20 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | 0.50 | 0.25 | ||
| 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 | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
SS 446 Washer Specifications | ||
| Specifications | : | ASTM A193 ASME SA193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | M02 to M33 |
| Size | : | 3 mm to 200 mm |
| Type | : | Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 446 washers are used at high temperatures because of their excellent oxidation resistance and durability. It is ideal for environments up to 1500°F (815°C) and is used in the automotive, aerospace and petrochemical industries. These washers are important for maintaining the integrity of bolted joints, preventing leaks, and ensuring long-term performance under extreme conditions. The high temperature and corrosion resistance make them suitable for use in exhaust systems, industrial incinerators and high-temperature process equipment.
You’ll find Stainless Steel 446 Washers widely utilized in various industries, including chemical processing, power generation, offshore platforms, marine engineering, and high-temperature equipment. They excel at distributing loads in bolted joints and securing nuts and bolts in furnaces, heat exchangers, pressure vessels, and other high-temperature or corrosive applications. Their ability to maintain mechanical strength, resist oxidation, and endure thermal stress guarantees long-term reliability. In critical fastening assemblies, Stainless Steel 446 Washers provide essential support, ensuring durability, stability, and safety even in the most challenging industrial conditions.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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