Rudra Tubefittings, located in Kolkata, India, specializes in manufacturing and supplying high-performance Inconel BSP/NPT Fittings that are built to withstand extreme temperatures, high pressures, and corrosive industrial settings. These fittings are designed for secure threaded connections, ensuring exceptional sealing integrity with either BSP (British Standard Pipe) or NPT (National Pipe Thread) configurations. Crafted from top-quality Inconel alloys, they resist oxidation, chloride attack, high-temperature corrosion, and mechanical stress. Rudra’s fittings are precision-machined for accurate threading and long-lasting durability, guaranteeing leak-free performance even in the toughest applications. These Inconel threaded fittings are relied upon in critical operations where standard stainless steels or alloy fittings simply can’t keep up.
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Table of Contents
Inconel BSP/NPT Fittings are made from nickel-chromium-based superalloys like Inconel 600, 625, or 825. These alloys offer remarkable resistance to oxidation, pitting, crevice corrosion, and chloride stress-corrosion cracking. Their mechanical properties include high tensile strength, excellent creep resistance, and stability across a wide range of temperatures, from cryogenic to elevated. The precision-cut BSP/NPT threads ensure a tight, vibration-resistant seal. Inconel’s metallurgical stability ensures durability under thermal cycling, high pressure, and exposure to harsh chemicals, making these fittings perfect for rugged, long-term service applications.
Inconel BSP / NPT Fittings Specifications
- Specifications: ASTM B564/ ASME SB564
- Size: 1/8” NB to 4” NB (Socketweld & Screwed-Threaded)
- Dimensions : ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
- Types : Socketweld Fittings, Screwed-Threaded Fittings
- Pressure Rating: Threaded End-2000lb/ 3000lb/ 6000lbs /
Socket-weld End-3000/ 6000/ 9000lbs - Thread: NPT, BSPT, BSPP
Inconel BSP / NPT Fittings Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel BSP / NTP | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
Inconel BSP / NPT Fittings Mechanical Properties
| Element | Density | Melting Point | Tensilee Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel BSP / NTP | 8.47 g/cm3 | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
Types of Inconel BSP / NPT Fittings
Equivalent Grades of Inconel BSP / NPT Fittings
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NA 13 | МНЖМц 28-2,5-1,5 | NC15FE11M | NiCr15Fe |
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
| Inconel 718 | 2.4668 | N07718 | – | – | – | – | – |
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo |
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Largest Manufacturer and Supplier of Inconel BSP / NPT Fittings in Kolkata, Kolkata
Inconel BSP / NPT Fittings Uses
Inconel BSP/NPT Fittings are essential in industries that need secure threaded joints capable of withstanding extreme heat, pressure, and corrosion. They find common use in chemical processing, oil and gas production, offshore platforms, high-temperature steam systems, aerospace fuel lines, power generation (including nuclear), marine engineering, and acid-handling equipment. These fittings are perfect for connecting instrumentation lines, valves, pumps, compressors, and high-pressure process lines.
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