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We at Rinku Fasteners provide you best quality Duplex Steel screws that are designed to work in some of the toughest conditions. These screws are manufactured using Duplex Steel, which is a combination of austenitic and ferritic stainless steel; therefore, they have high strength, excellent corrosion resistance, and are very durable. Our Duplex Steel screws are perfect for chemical processing, marine and oil and gas industries where there is need for secure fastening in extreme conditions.
Rinku Fasteners is a well-known manufacturer and distributor of top-notch Duplex Steel Screws, located in Kolkata, India. With a commendable record of providing precision-engineered fastening solutions, the company is the go-to supplier for the requirement of repeated sectors of the industry for super high strength and anti-corrosion. Their Duplex Steel Screcs are made by the use of the latest technology, thus they are outstanding in durability, accurate in size and have a long service life. Rinku Fasteners pays attention to quality at every step of their production process and offers customer-centric service, thus are the first resort of clients from construction, marine, petrochemical, and engineering industries. Their embrace of innovation and reliability has positioned them as a major player in the fastener manufacturing industry.
| Standard | : | ASTM A193, A194 / SA193 / SA194 |
| Dimension | : | ASTM, DIN, BS, GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Bolts Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Screw Size | : | M02 to M33 | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Bolt/ Hex Screw, Square Head Bolt, U Bolt, Carriage Bolt, Eye Bolt, T Bolt/ J Bolt/ L bolt, Flange Bolt, Coach Screw 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 Screws are composed of a balanced mixture of austenite and ferrite phases, and通常 they least contain chromium (19–23 % ), nickel (4–6 % ), molybdenum (2–3 % ) elements, while nitrogen is added for strength and corrosion resistance. The dual-phase structure gives the screws a high tensile strength, good toughness, and very high resistance to stress-corrosion cracking. These screws provide better yield strength than typical stainless steels. They remain stable in high-pressure and high-temperature situations, thus giving dependable fastening performances in aggressive environments like chlorides, chemicals, and seawater.
Duplex Steel Screws consist of a balanced mixture of austenite and ferrite phases, and the composition typically includes chromium (19-23%), nickel (4-6%), molybdenum (2-3%), and nitrogen for strength and corrosion resistance. The dual-phase structure is responsible for the high tensile strength, good toughness, and very low susceptibility to stress-corrosion cracking of the screws. The screws have been given a better yield strength than that of typical stainless steels. They are stable under high-pressure and high-temperature conditions and, thus, can be trusted to perform fastening tasks efficiently in situations involving, for example, chlorides, chemicals, and seawater exposure.
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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