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Duplex Steel Fasteners offered by Brian Fasteners are high quality fasteners that are designed to work in high performance conditions. These fasteners are manufactured from Duplex Steel which is a combination of both austenitic and ferritic stainless steels making them have high strength, corrosion resistance and durability. Our Duplex Steel fasteners are perfect for use in chemical processing, marine, and oil and gas industries because they provide secure connection in harsh environments.
High-performance Duplex Steel Fasteners are manufactured and supplied by Brian Fasteners, a reputable company with headquarters in Houston, USA. We provide a large selection of fasteners, such as bolts, nuts, washers, and screws made from premium duplex stainless steel, and are renowned for our unrivalled quality and precision engineering. In harsh industrial settings, our products are designed to offer exceptional strength, resistance to corrosion, and longevity. Serving customers in the construction, petrochemical, marine, and oil and gas industries, Brian Fasteners has decades of experience and a dedication to quality. For all fastening needs, we guarantee prompt delivery, specialised solutions, and compliance with global standards.
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| UNS S32760 | 550 min. | 750 min. | 25 min. | 270 max. |
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F6 |
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.
With a balanced ferritic-austenitic microstructure, duplex steel fasteners are made up of roughly 22–25% chromium, 4–6% nickel, 3% molybdenum, and nitrogen. This special mixture offers improved mechanical strength and resistance to corrosion. Tensile strength between 620 and 880 MPa, yield strength above 450 MPa, and elongation of at least 25% are typical mechanical characteristics. The fasteners are appropriate for harsh environments and critical applications needing superior performance and long-term durability because they also show excellent stress corrosion cracking resistance and toughness at both high and sub-zero temperatures.
Industries that need strong performance in corrosive and high-pressure settings frequently use duplex steel fasteners. These consist of pulp and paper industries, chemical processing facilities, marine structures, onshore and offshore oil and gas installations, and desalination machinery. They are perfect for coastal and submerged applications due to their high resistance to stress corrosion caused by chloride. They provide strong, durable joints for heavy-duty frameworks in construction. These fasteners are also used in heat exchangers and power generation facilities due to their strength and resistance to temperature changes. Their dependability in mechanical and structural assemblies guarantees longevity and safety under the most trying circumstances.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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