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The Fasteners Mart, Mumbai, India-based original manufacturer and supplier, offers quality Duplex Steel 2205 Nuts that are ideal for high-performance usage. With high strength and enhanced corrosion resistance, these nuts find optimal use in challenging environments such as marine, chemical, and offshore industries. Designed to withstand chloride-induced corrosion and harsh working conditions, Duplex 2205 Nuts offer reliable fastening solutions. With rigorous quality control, accurate manufacturing, and punctual delivery, The Fasteners Mart supplies robust, quality products for principal industrial uses in domestic and overseas markets.
Duplex Steel 2205 Nuts contain approximately 22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen as added content, which forms a well-balanced austenitic-ferritic microstructure. Such unique make offers remarkable resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. Mechanically, the nuts are endowed with fine yield strength of approximately 450 MPa and tensile strength of 620–800 MPa. The nuts also exhibit excellent fatigue strength, impact toughness, and heat stability. These properties render Duplex 2205 Nuts appropriate for corrosive, high-stress environments encountered in marine, chemical, and offshore applications.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel Nuts 2205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| Duplex Steel | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| Duplex Steel Nuts 2205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
| Duplex Steel 2205 Nuts | ASTM / ASME SA 790 UNS NO S 31803 | ASTM / ASME SA 182 F51 |
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 2205 Nuts are extensively used in industry where high strength and better corrosion resistance is needed. The nuts are utilized in offshore petroleum platforms, sea equipment, chemical processing plants, where chloride-induced corrosion resistance is necessary. Duplex Steel 2205 Nuts are also utilized in desalination plants, pressure vessels, heat exchangers, and structure components that work in aggressive environment. They ensure reliable fastening under corrosive and high-stress environments in pulp & paper and power generation applications. Their higher mechanical properties combined with resistance to stress corrosion cracking render them the best fastener for long-term, high-performance applications in various industries.
At The Fasteners Mart, Duplex Steel 2205 Nuts undergo stringent testing procedures like mechanical, chemical, and non-destructive tests to adhere to international quality standards. Every nut is checked for durability, size, and surface finish. For safe transportation, the nuts are packed in hardwood boxes, corrugated boxes, or special packaging based on customer requirements. Protective covering and proper labeling prevent corrosion, contamination, and damage during transit so that the nuts arrive at the destination in perfect condition for safe use in harsh conditions.
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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