High Nickel Alloy Buttweld Long & Short Stub End Fittings

ASTM B366 Hastelloy LR & SR 45°, 90°, 180° Elbow, Inconel Pipe Cap, Lap Joint Stub End Pipe Fittings : ASME/ANSI B16.9, B16.28, MSS-SP-43

High Nickel Alloy Pipe Fittings
Torrent Alloys
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Nickel Alloy BW Piggable Bend Specifications

ISO Certified Manufacturer of Incoloy Buttweld Equal Tee & Unequal Tee, Piggable Bend Fittings, Monel Hot Induction Bend, U Bend - Seamless 1/2″～24″ Inch and ERW, Welded, Fabricated 1/2″～48″Inch.

Nickel buttweld fittings are highly valued in industries requiring superior resistance to corrosion and high temperatures. Nickel, as a base metal, offers excellent mechanical properties, including toughness and strength, even at extreme temperatures. These fittings are crucial in environments such as chemical processing, power plants, and marine applications where resistance to corrosive elements and temperature stability are paramount. Nickel buttweld fittings ensure reliable, leak-proof connections and longevity, making them indispensable in demanding industrial settings.

Inconel buttweld pipe fittings are renowned for their exceptional performance in extreme environments. Comprising nickel-chromium alloys, Inconel offers remarkable resistance to oxidation and corrosion, particularly at high temperatures. This makes Inconel fittings ideal for applications in aerospace, gas turbines, nuclear reactors, and chemical processing plants. The ability of Inconel to maintain structural integrity under severe thermal and mechanical stress ensures the reliability and safety of piping systems, even in the most challenging conditions.

Incoloy buttweld fittings are engineered for superior performance in high-temperature and corrosive environments. Incoloy, an alloy of nickel, iron, and chromium, provides excellent resistance to oxidation, carburization, and sulfidation. These properties make Incoloy fittings suitable for use in petrochemical processing, power generation, and heat-treating industries. The durability and high-strength characteristics of Incoloy ensure long service life and reduced maintenance, contributing to the overall efficiency and safety of industrial piping systems.

Hastelloy pipe fittings are highly regarded for their outstanding corrosion resistance and strength in severe environments. Composed mainly of nickel-molybdenum and nickel-chromium-molybdenum alloys, Hastelloy fittings can withstand harsh chemicals, high temperatures, and high-stress conditions. These fittings are widely used in chemical processing, pollution control, and oil and gas industries where resistance to pitting, stress corrosion cracking, and oxidation is crucial. Hastelloy buttweld fittings ensure reliable performance and longevity, even in the most aggressive conditions.

Monel buttweld fittings are known for their excellent resistance to corrosion and high strength in a variety of applications. Made primarily of nickel and copper, Monel alloys exhibit outstanding resistance to sea water, acids, and alkalis, making these fittings ideal for marine, chemical, and hydrocarbon processing industries. Monel's ability to retain its properties over a wide temperature range enhances its suitability for both cryogenic and high-temperature applications. Monel buttweld fittings provide robust, leak-proof connections, ensuring reliability and durability in demanding environments.

ASME B16.9 / B16.28 Standards
MSS SP-43 Standards
DIN Standards
EN Standards
JIS Standards
BS Standards

Equivalent Grades of High Nickel Alloy

STANDARD UNS WNR JIS BS AFNOR EN GOST OR
Nickel 200 N02200 2.4060 - NA 11 - - - -
Nickel 201 N02201 2.4061 - NA 12 - - - -
Inconel 600 N06600 2.4816 NCF 600 NA 13 NC15FE11M NiCr15Fe МНЖМц 28-2,5-1,5 ЭИ868
Inconel 601 N06601 2.4851 NCF 601 NA 49 NC23FeA NiCr23Fe XH60BT -
Inconel 625 N06625 2.4856 NCF 625 NA 21 NC22DNB4M NiCr22Mo9Nb ХН75МБТЮ ЭИ602
Inconel 718 N07718 2.4668 NCF 718 NA 51 - - - -
Inconel 783 N07783 - - - - - - -
Inconel 690 N06690 2.4642 - - - - - -
Inconel X750 N07750 2.4669 NCF 750 - - - - -
Incoloy 800 N08800 1.4876 NCF 800 NA 15 NC15FE11M NiCr15Fe - -
Incoloy 800H N08810 1.4958 - - - - - -
Incoloy 800HT N08811 1.4959 - - - - - -
Incoloy 825 N08825 2.4858 NCF 825 NA 16 NC21FeDU NiCr21Mo ХН65МВУ -
Incoloy 925 N09925 - - - - - - -
Hastelloy C276 N10276 2.4819 NW 0276 NA 102 NiMo16Cr15W - ХН65МВУ -
Hastelloy C22 N06022 2.4602 NW 6022 NA 54 NiCr21Mo14W - - -
Hastelloy B2 N10665 2.4617 NW 6625 NA 55 - - - -
Hastelloy B3 N10675 2.4600 - - - - - -
Hastelloy X N06002 2.4665 NW 06002 - - - - -
Hastelloy C4 N06455 2.4610 NW 06455 - - - - -
Hastelloy C2000 N06200 2.4675 NW 06200 - - - - -

Chemical Composition of Nickel 200, 201

Element Nickel 200 Nickel 201
Nickel (Ni) 99.0% min 99.0% min
Iron (Fe) 0.40% max 0.40% max
Manganese (Mn) 0.35% max 0.35% max
Carbon (C) 0.15% max 0.02% max
Silicon (Si) 0.35% max 0.35% max
Copper (Cu) 0.25% max 0.25% max

Chemical Composition of Monel 400, k500

Element Monel 400 Monel K500
Nickel (Ni) 63.0% min 63.0% min
Copper (Cu) 28.0-34.0% 27.0-33.0%
Iron (Fe) 2.5% max 2.0% max
Manganese (Mn) 2.0% max 1.5% max
Carbon (C) 0.30% max 0.25% max
Silicon (Si) 0.50% max 0.50% max
Sulfur (S) 0.024% max 0.010% max
Aluminum (Al) - 2.30-3.15%
Titanium (Ti) - 0.35-0.85%

Chemical Composition of Inconel 600, 601, 625, 718, 783, 690, X750, 800, 800H, 800HT, 825, 925

Alloy Nickel (Ni) Chromium (Cr) Molybdenum (Mo) Iron (Fe) Copper (Cu) Niobium (Nb) + Tantalum (Ta) Aluminum (Al) Titanium (Ti) Carbon (C) Silicon (Si) Sulfur (S) Phosphorus (P) Manganese (Mn) Boron (B) Lead (Pb) Tellurium (Te)
Inconel 600 72% 14-17% - 6-10% 0.5% max - - - 0.15% max 0.5% max 0.015% max - 1% max - - -
Inconel 601 58% 21-25% - Balance - - 1-1.7% - 0.1% max - 0.015% max - 1% max - - -
Inconel 625 58% 20-23% 8-10% 5% max - 3.15-4.15% - - 0.10% max 0.50% max 0.015% max 0.015% max 0.50% max - - -
Inconel 718 50-55% 17-21% 2.8-3.3% Balance - 4.75-5.5% 0.20-0.80% 0.65-1.15% - 0.35% max 0.015% max 0.015% max 0.35% max - - -
Inconel 783 49% 20% - 21% - - - - 0.15% 1.5% 0.015% 0.015% - 0.006% 0.003% 0.002%
Inconel X750 70% 14-17% - 5-9% - 0.7-1.2% 0.4-1.0% 2.25-2.75% 0.08% max 0.5% max 0.01% max 0.015% max 1% max - - -
Incoloy 800 / 800H / 800HT 30-35% 19-23% - 39.5% min - - 0.15-0.60% 0.15-0.60% 0.1% max 1.5% max 0.015% max - - - -
Incoloy 825 38-46% 19.5-23.5% 2.5-3.5% 22% min 1.5-3% - 0.6-1.2% - 0.05% max 1% max 0.03% max - - - -
Incoloy 925 42-46% 19.5-22.5% 2.5-3.5% 22% min 1.5-3% - 0.9-1.9% 0.6-1.2% - - 0.03% max 0.03% max - - -

Chemical Composition of Hastelloy C22, C276, C4, C2000, B2, B3, X

Alloy Nickel (Ni) Chromium (Cr) Molybdenum (Mo) Iron (Fe) Tungsten (W) Cobalt (Co) Copper (Cu) Aluminum (Al) Titanium (Ti) Carbon (C) Silicon (Si) Sulfur (S) Phosphorus (P) Manganese (Mn) Boron (B) Lead (Pb) Tellurium (Te)
Hastelloy C22 Remainder 20-22.5% 12.5-14.5% 2-6% 2.5-3.5% 2.5% max - - - 0.02% max 0.08% max 0.02% max - 0.50% max 0.35% max -
Hastelloy C276 Remainder 14.5-16.5% 15-17% 4-7% - 2.5% max - - - 0.01% max 0.08% max 0.03% max 0.04% max 1% max - -
Hastelloy C4 Remainder 14-18% 14-17% 3-7% 1% max 2.5% max - - - 0.015% max 0.08% max 0.03% max 0.04% max - - -
Hastelloy C2000 Remainder 22-24% 15-17% 3-5% 1.3-1.9% 2.5% max 1.6-2.4% - - 0.01% max 0.08% max 0.03% max 0.04% max 0.5% max - -
Hastelloy B2 Remainder 1% max 26-30% 2% max - 1% max - - - 0.02% max 0.10% max 0.03% max 0.04% max 1% max - -
Hastelloy B3 Remainder 1% max 27-32% 1% max - 3% max - - - 0.01% max 0.10% max 0.03% max 0.04% max 3% max - -
Hastelloy X Remainder 20.5-23% 8-10% 17-20% - 0.5-2.5% - - - 0.10% max 1% max 0.015% max 0.025% max 1% max - -

Mechanical Properties of Nickel 200, 201

Alloy Tensile Strength (MPa) Yield Strength (0.2% offset) (MPa) Elongation (%) Hardness (HRB)
Nickel 200 550 150 40 HRB 45-80
Nickel 201 440 130 50 HRB 45-80

Mechanical Properties of Monel 400, k500

Alloy Tensile Strength (MPa) Yield Strength (0.2% offset) (MPa) Elongation (%) Hardness (HRB)
Monel 400 550 240 40 HRB 65-80
Monel K500 860 485 20 HRB 75-90

Mechanical Properties of Inconel 600, 601, 625, 718, 783, 690, X750, 800, 800H, 800HT, 825, 925

Alloy Tensile Strength (MPa) Yield Strength (0.2% offset) (MPa) Elongation (%)
Inconel 600 550 240 30
Inconel 601 550 240 30
Inconel 625 760 345 30
Inconel 718 1300 1000 20
Inconel 783 850 550 17
Inconel X750 1400 1100 15
Incoloy 800 / 800H / 800HT 520-800 210-520 30-45
Incoloy 825 550 220 30
Incoloy 925 1000 750 25

Mechanical Properties of Hastelloy C22, C276, C4, C2000, B2, B3, X

Alloy Tensile Strength (MPa) Yield Strength (0.2% offset) (MPa) Elongation (%) Hardness (HRB)
Hastelloy C22 690 310 45 HRB 89-100
Hastelloy C276 690 283 40 HRB 89-100
Hastelloy C4 783 344 50 HRB 93
Hastelloy C2000 690 310 40 HRB 89-100
Hastelloy B2 690 310 40 HRB 89-100
Hastelloy B3 760 400 50 HRB 95
Hastelloy X 965 460 35 HRB 96

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APPLICATIONS INDUSTRIES

High nickel alloy buttweld fittings find extensive application across diverse industries where corrosion resistance, high temperature performance, and strength are critical. These fittings are crucial in industries such as oil and gas, petrochemicals, chemical processing, pharmaceuticals, power generation, and marine environments.

Oil and Gas Industry
Chemical and Petrochemical Industry
Power Generation
Water Treatment
Food and Beverage Industry
Pharmaceutical Industry
Pulp and Paper Industry
Shipbuilding and Marine Industry
HVAC - Heating, Ventilation, and Air Conditioning