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Yodsak Tube Fittings, based in Bangkok, Thailand, stands out as a top manufacturer and supplier of precision-engineered hydraulic and instrumentation fittings. With a focus on high-performance materials, Yodsak specializes in Super Duplex Steel Hydraulic Fittings that are built to offer remarkable durability, corrosion resistance, and mechanical strength, even in the toughest conditions. These fittings are crafted to comply with global industry standards, guaranteeing leak-free, high-pressure hydraulic performance. Catering to vital sectors like offshore oil & gas, marine, chemical processing, and heavy machinery, Yodsak is dedicated to quality, technical know-how, and customer satisfaction, making them a reliable partner for essential hydraulic system components.
Yodsak’s Super Duplex Steel Hydraulic Fittings are generally made from UNS S32750 or S32760 grades. These alloys boast a well-balanced mix of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen (0.2–0.3%), which together provide exceptional corrosion resistance and strength. Their mechanical properties include impressive tensile strength (up to 800–900 MPa), yield strength (around 550 MPa), and outstanding impact resistance, even in low temperatures. The duplex microstructure enhances fatigue resistance, making these fittings perfect for high-pressure hydraulic applications. Each fitting is precision-machined and pressure-tested to guarantee top-notch performance and durability in corrosive and high-stress environments.
| 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 |
Contact us to get a quick quote for your requirement.
Super Duplex Steel Hydraulic Fittings are specifically designed for high-pressure, high-corrosion settings where standard materials just won’t cut it. These fittings find extensive use in offshore oil platforms, subsea hydraulic systems, chemical injection units, and shipbuilding, thanks to their remarkable resistance to stress and corrosion.
Please feel free to contact us if you need any further information or for enquiry.
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