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Rinku Fasteners is a leading manufacturer and supplier of premium stainless steel 446 washers. We offer a comprehensive range of quality washers designed to meet the specific needs of our customers. Our range of products is available in various shapes, sizes, shapes and specifications to ensure we deliver solutions perfectly tailored to individual needs. Our commitment to quality and consistency ensures that every washer meets the highest standards, making us a reliable choice for customers looking for reliable and durable products.
Stainless steel 446 washers are made primarily of iron, chromium (23-30%), and traces of other elements such as nickel and manganese. This high chromium content increases the resistance to oxidation and corrosion, especially at high temperatures. Properties include high thermal stability, scaling resistance and mechanical strength. The advantages of 446 washers include durability in harsh environments, resistance to high-temperature oxidation and overall longevity, making them ideal for applications in high-temperature and corrosive settings.
| 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.
We prioritize quality and transparency at Rinku Fasteners with our Stainless steel 446 washers. Our comprehensive documentation includes commercial invoicing, packaging, fumigation certificates, and NABL-approved laboratory test reports. We issue test certificates such as EN 10204/3.1b for MTC, PMI test certificates, and third-party inspection certificates for additional assurance. This meticulous approach underlines our commitment to excellence and customer satisfaction, ensuring that each product meets the highest standards.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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