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The Fasteners Mart, with its headquarters in Mumbai, India, is a top manufacturer and exporter of high-performance industrial fasteners designed to meet global quality standards. One of their high-end products is the Stainless Steel 442 Washer, which is made from Grade 442 ferritic stainless steel. These washers come in different shapes like flat, spring, and lock types, which are meant to provide superior support and load distribution in bolted assemblies. Famous for their high heat resistance, toughness, and anti-corrosive characteristics, Stainless Steel 442 Washers are suitable for high-temperature and high-stress applications in various industries.
Stainless Steel 442 Washers consist mainly of iron with 18–23% chromium and very little carbon. The ferritic alloy has good strength, magnetic response, and great high-temperature oxidation and scaling resistance. The washers have tensile strength between 450 and 650 MPa and yield strength of approximately 275 MPa. Having a density of around 7.7 g/cm³ and a melting point in excess of 1480°C, they have mechanical strength in thermal stress. Such characteristics make 442 washers suitable for structural support in heat-consumptive applications.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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 442 Washers are used extensively in industries where parts are subjected to high temperatures and corrosive environments. Their typical applications are heat exchangers, furnace assemblies, kilns, power plants, and petrochemical processing equipment. They can also be applied in automotive exhaust systems, industrial furnaces, and high-temperature equipment, where they give rigid load-bearing support and are able to resist bolt loosening due to vibration. Their superior thermal and oxidation resistance properties make them a good fit for applications in fastening assemblies requiring strength, stability, and long service life in harsh operating conditions.
The Fasteners Mart provides secure, timely, and efficient supply of Stainless Steel 442 Washers to local and global clients. Every washer is carefully packaged in corrosion-free and damage-proof materials. The packaging can be customized, and bulk supply can be handled or labeled clearly depending on the specific client requirements in order to enable hassle-free and secure transit.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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