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Rudra Tubefittings, a prominent manufacturer and supplier located in Kolkata, India, is all about crafting top-notch Super Duplex Steel Hydraulic Fittings that thrive in tough industrial settings. With a strong focus on precision engineering and adherence to international quality standards, this company is known for delivering fittings that boast outstanding corrosion resistance, strength, and leak-proof performance. Their Super Duplex Steel Hydraulic Fittings are built to perform reliably under high pressures and in harsh conditions, making them perfect for critical hydraulic systems. Thanks to their advanced manufacturing capabilities and a customer-first mindset, Rudra Tubefittings caters to industries like oil and gas, chemical processing, marine, and power generation, providing them with superior hydraulic solutions.
These Super Duplex Steel Hydraulic Fittings are made from a high-alloy duplex stainless steel blend that includes around 25% chromium, 7% nickel, 4% molybdenum, and a touch of nitrogen. This unique mix gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and aggressive environments. On the mechanical side, Super Duplex Steel is known for its high tensile and yield strength, impressive toughness, and excellent fatigue resistance, making these fittings a great choice for high-pressure hydraulic applications. Their structural integrity and durability guarantee a long service life, even when faced with extreme temperatures and corrosive conditions.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | SUPER DUPLEX UNS S32750, UNS S32760 |
| SERIES | LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE |
| WORKING PRESSURE | 1 BAR TO 700 BAR |
| SIZE RANGE | 6 MM TO 42 MM |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| SURFACE | EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
| Grade | S32750 | S32760 |
| C | 0.030 max | 0.05 max |
| Mn | 1.20 max | 1.00 max |
| Si | 0.80 max | 1.00 max |
| P | 0.035 max | 0.030 max |
| S | 0.020 max | 0.010 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Mo | 3.00 – 5.00 | 3.00 – 4.00 |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| N | 0.24 – 0.32 | 0.20 – 0.30 |
| Fe | 58.095 min | 57.61 min |
| Density (g/cm 3) | 7.8 |
| Density (lb/in 3) | 0.281 |
| Melting Point (°C) | 1350 |
| Melting Point (°F) | 2460 |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 |
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Super Duplex Steel Hydraulic Fittings are a go-to in industries that demand strong, corrosion-resistant, and high-pressure hydraulic connections. They’re widely used in offshore drilling platforms, subsea equipment, and oil and gas refineries, where exposure to seawater and harsh chemicals is a regular occurrence. In chemical and petrochemical processing plants, these fittings play a crucial role in ensuring safe and reliable fluid transfer under challenging conditions. They’re also found in desalination units, marine engineering systems, power generation facilities, and high-performance hydraulic machinery. With their excellent mechanical properties, these fittings are truly built to last.
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