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Punit Fasteners is a reputable manufacturer and supplier of Duplex Steel Washers based in Delhi, India, serving both domestic and global markets. We create washers in various specifications for high-performance industrial applications. Our Duplex Steel Washers are made from premium duplex stainless steel, ensuring high tensile strength and excellent corrosion resistance. At Punit Fasteners, every product goes through rigorous quality checks to meet industry standards like ASTM, DIN, and ISO. These washers are engineered to handle tough chemical, marine, and industrial environments. With competitive pricing and on-time delivery, we offer dependable fastening solutions to meet challenging engineering needs.
Duplex Steel Washers consist of a combination of ferritic and austenitic stainless steels, primarily containing 22 to 25% chromium, 4 to 7% nickel, and molybdenum along with nitrogen. This alloy mix provides excellent strength and outstanding resistance to pitting, crevice, and stress corrosion cracking. The washers have high tensile strength (620 to 880 MPa) and yield strength (about 450 to 550 MPa), with hardness ranging from 25 to 35 HRC. They maintain their mechanical integrity even in acidic or chloride-rich environments, making them suitable for extreme conditions. Duplex steel washers deliver durability, impact strength, and thermal resistance for various industrial applications.
| Dimension | : | ASTM, DIN, BS, GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Washer Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Plain Washer, Spring Washer, Tooth Washer, Tapper Washer, Tab Washer, Star Washer etc. |
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.
Duplex Steel Washers are frequently used in chemical processing, oil and gas, marine, and water treatment facilities. These washers are ideal for areas exposed to harsh chemicals or saltwater, providing long-lasting protection against corrosion and wear. They are utilized in flange assemblies, pumps, pipelines, and structural connections to guarantee load distribution and sealing under high pressure. Power plants and offshore platforms count on duplex washers for structural stability and prolonged service life. Their high mechanical strength and durability also make them suitable for desalination units, refineries, and heat exchangers in both high-stress and high-temperature conditions.
At Punit Fasteners, our Duplex Steel Washers are carefully packaged to arrive in perfect condition. Each washer is individually wrapped to prevent damage and clearly labeled for easy identification. We use durable, protective materials and custom packaging solutions to protect against contamination and physical impact during transit. Our commitment to quality extends to our packaging, ensuring that every order meets the highest standards of safety and integrity upon delivery.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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