Home > Super Duplex Steel > Super Duplex Steel Tube Fittings
Rudra Tubefittings, a reputable manufacturer and supplier based in Kolkata, India, specializes in high-performance Super Duplex Steel Tube Fittings. These fittings are crafted for outstanding strength, corrosion resistance, and reliability, making them perfect for tough environments. They’re designed to create leak-proof and secure connections, which is crucial for handling critical fluids and gases. Rudra Tubefittings is committed to delivering top-notch quality, utilizing advanced manufacturing techniques and rigorous inspection processes. Their Super Duplex Steel Tube Fittings are known for their impressive durability, resistance to chloride-induced corrosion, and long lifespan, making them a go-to choice in various industries that need robust, efficient, and reliable flow control solutions.
Typically made from a blend of high chromium, nickel, molybdenum, and nitrogen, Super Duplex Steel Tube Fittings offer remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. The unique duplex microstructure, which combines both austenitic and ferritic phases, boosts tensile strength, fatigue resistance, and toughness. These fittings maintain their mechanical stability even under high-pressure and high-temperature conditions. With a high PREN value, they provide excellent corrosion protection in environments rich in chlorides. Their low thermal expansion, good weldability, and outstanding wear resistance ensure long-term mechanical integrity in demanding industrial applications.
| Specifications | ASTM A276 ASME SA 479 |
| Size | 6mm to 38mm to 1/4″ to 1 1/2″ |
| Thread | NPT, BSP, BSPT, UNF, ISO, SAE etc. |
| Standards | ASTM B16 ASTM B 453 |
|
OD |
OD Actual |
Thread Designation – Nominal Size |
Thread per inch |
|
|
(fraction inch) |
(inches) |
(inches) |
NPT |
BSP |
|
5/16 |
0.3125 |
1/16 |
27 |
28 |
|
13/32 |
0.405 |
1/8 |
27 |
28 |
|
35/64 |
0.540 |
1/4 |
18 |
19 |
|
43/64 |
0.675 |
3/8 |
18 |
19 |
|
27/32 |
0.840 |
1/2 |
14 |
14 |
|
1-3/64 |
1.050 |
3/4 |
14 |
14 |
|
1-5/16 |
1.315 |
1 |
11-1/2 |
11 |
|
1-21/32 |
1.660 |
1-1/4 |
11-1/2 |
11 |
|
1-29/32 |
1.900 |
1-1/2 |
11-1/2 |
11 |
|
2-3/8 |
2.375 |
2 |
8 |
11 |
|
2-7/8 |
2.875 |
2-1/2 |
8 |
11 |
|
3-1/2 |
3.5 |
3 |
8 |
11 |
|
4 |
4.0 |
3-1/2 |
8 |
11 |
|
4-1/2 |
4.5 |
4 |
8 |
11 |
|
5-5/8 |
5.563 |
5 |
8 |
11 |
|
6-5/8 |
6.625 |
6 |
8 |
11 |
Contact us to get a quick quote for your requirement.
Super Duplex Steel Tube Fittings are widely utilized in sectors that prioritize strength, reliability, and exceptional corrosion resistance. They play a vital role in offshore oil and gas platforms, subsea pipelines, and marine settings where chloride exposure is significant. Chemical processing and petrochemical plants depend on these fittings for the safe transport of aggressive fluids. Desalination units and wastewater treatment facilities favor them for their resistance to brine and corrosive substances. Additionally, they find applications in the pulp and paper industry, heat exchangers, power generation systems, and high-pressure environments.
Please feel free to contact us if you need any further information or for enquiry.
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