Monel 400 Tube Fittings Manufacturer & Suppliers in India
The Monel 400 tube fittings are manufactured from a nickel-copper alloy (UNS N04400) that is highly resistant to corrosion, high-temperature steam, seawater, as well as aggressive chemicals like acids and alkalis. These fittings deliver leak-free connections, long service life, and exceptional durability across oil and gas processing, hydrocarbon refining, marine service, and chemical plant environments.. Monel 400 tube fittings are complete with high mechanical strength and structural integrity at a broad temperature range, thus making them a reliable option in the pipeline systems of industries where safety and performance matter the most.
Monel 400 Female Branch Tee, Monel 400 Tube Fittings Price, UNS N04400 45 Degree Male Elbow, and Monel® Alloy 400 Union Tee are supplied in Mumbai, India.
Kalpataru Piping Solution is a reputable manufacturer and distributor of Monel Alloy 400 instrumentation tube fittings designed for challenging industrial use. These fittings are made with high accuracy by means of controlled forming and machining so that the actual sizes are accurate and would perform efficiently in the engineering systems, line piping and in the structural installation. Dual-ferrule-design Monel 400 fittings are secure, vibration-resistant connections commonly used in the drilling of oil and gas, refineries and high-pressure hydrocarbon processing. Kalpataru Piping Solution takes care of the whole process, including the material selection and design, production, and delivery of the parts on time, providing the reducing unions, end closures, hydraulic and pneumatic connectors, boiler fittings, and automotive system parts with the guaranteed quality and reliability of working.
ASME SB366 Monel 400 Male Run Tee, Monel 400 tube fittings price, Nickel Alloy 400 Union Cross, and Alloy 400 Bulkhead Union are exported across India.
To address the requirements of various projects, Monel 400 bulkhead union fittings in different sizes, diameters and wall thicknesses are offered. These Monel 400 bulkhead reducing union fittings are manufactured to meet international standards and can be offered in tailor-made lengths, designs and pressure ratings. We offer Monel 400 Union Elbow fittings at reasonable prices in the market, manufactured through proper manufacturing methods depending on the diameter and ratio of both the wall thicknesses in order to achieve strength, resistance to corrosion and long service performance in harsh industrial conditions.
Ready stock of Monel 400 tube fittings is maintained at our Mumbai warehouse for urgent domestic orders. Export shipments are dispatched within 7–14 working days of order confirmation.
- What are Monel Tube Fittings?
- Monel 400 Tube Fittings Specification
- Types & Grades of Monel 400 Tube Fitting
- ASME SB 564 UNS N04400 Ferrule Fittings Sizes
- Monel 400 Tube Fittings Manufacturing Standard
- HS Code of WNR 2.4360 Tube Fittings
- Alloy 400 Tube Union Size Range
- Monel 400 Tube Fittings (UNS N04400) Metric Sizes
- Monel Grade 400 Compression Tube Fittings Sizes
- Threads Dimensions of Monel Female Elbow
- Nickel Alloy 400 Male Elbow Threads Dimensions
- Threads Types of Alloy 400 Female Connector
- Connection Types of UNS N04400 Pneumatic Fittings
- Types of WNR 2.4360 Compression Fittings
- Construction Material of Nickel Alloy 400 Double Ferrule Fittings
- Mechanical Properties of Alloy 400 Hydraulic Fittings
- Physical Properties of UNS N04400 Hydraulic Fittings
- Installation of UNS N04400 Tube Fittings
- FAQ’s About Monel 400 Tube Fittings
What are Monel Tube Fittings?
Monel tube fittings are compression type or quick connect fittings, which are used to secure leak-free fluid and gas lines. They enable tubes to be attached or detached with minimal or no tools, and they can be considered ideal when it comes to assembling quickly and reliably. Monel R405 compression fittings are characterised by their higher machinability, which is very specific to use in challenging conditions.
Tube Adapter Fittings are used to change between various sizes or configurations of pipes, whereas clamp fittings secure tubes in place when cutting or threading. Monel tube fittings offer superior corrosion resistance over the normal pneumatic or hydraulic connectors as well as smaller seals, which in turn function well in low-pressure applications or in other hostile environments
Monel 400 Tube Fittings Specification
Monel 400 tube fittings are engineered to strict compliance standards for chemical composition, mechanical strength, and corrosion resistance, meeting a range of industrial requirements.
Specifications | ASTM B366 / ASME SB 366 |
Size | 1/16” 1/2” & 1.5MM to 38.1MM |
Thread | NPT, PT, BST, NPS, PS, BSP |
Pressure | Up to 10,000 PSI (double ferrule); 3,000–6,000 PSI (single ferrule) for UNS N04400 Monel grade |
Types | Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories |
Applications of Monel 400 Tube Fittings
Monel 400 tube fittings (UNS N04400) are widely used in: offshore oil and gas drilling, seawater desalination plants, marine heat exchangers, sulfuric and hydrofluoric acid handling, and high-pressure hydraulic instrumentation lines.
Types & Grades of Monel 400 Tube Fitting
ASME SB 564 UNS N04400 Ferrule Fittings Sizes
| Size Inch | Tube Fittings Types | Size OD |
|---|---|---|
| 1/4″ to 1 1/2″ | Tube To Union | 6mm to 38mm |
| Tube to Female Fittings | ||
| Tube Fittings Accessories | ||
| Tube to Male Fittings | ||
| Tube to Pipe Fittings |
Monel 400 Tube Fittings Manufacturing Standard
| American standard | Manufacturing form |
|---|---|
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HS Code of WNR 2.4360 Tube Fittings
| Properties | Values |
|---|---|
| HSN Code | 75072000 |
Alloy 400 Tube Union Size Range
| Size Range | Threads | Standard |
|---|---|---|
|
|
British type-A |
Monel 400 Tube Fittings (UNS N04400) Metric Sizes
| Marking | Component | Material | Marking |
|---|---|---|---|
| 400on outer rim | 3 Front ferrule | Monel Grade 400 | 400 on outer rim |
| Notched hex , 400 on face | 1 Nut | Monel 400 | Notched hex , 400 on face |
| 400 on neck | 4 Body | Monel Grade 400 | 400 on neck |
| 400 or 6HN on outer rim | 2 Back ferrule | Monel 400 | 400 or 6HN on outer rim |
Monel Grade 400 Compression Tube Fittings Sizes
| Tube Fittings Types | Forms of Monel 400 Tube Fittings | Size OD | Size Inch |
|---|---|---|---|
| Tube to Pipe Fittings | Reducing Hex Coupling, Reducing Hex Nipple, Street Elbow, Street Tee, Union Joint Ball, Female Elbow, Street Elbow, Allen Key, Bushing, Female Cap, Female Cross (list each type once only), Female Tee, Hex Coupling, Hex Nipple, Male Elbow, Male Female Adapter, Male Female Branch Tee, Male Tee, Male Female Branch Tee, Male Tee, Reducing Hex Coupling, Reducing Hex Nipple, Street Elbow, Female Tee, Hex Coupling, Hex Nipple, Male Elbow, Male Female Adapter, Street Tee, Union Joint Ball. | 6mm to 38mm | 1/4″ to 1 1/2″ |
| Tube to Male Fittings | Male Connector, Male Bulkhead Connector, Male Elbow, Male Run Tee, Male Branch Tee, Male Connector, Male Bulkhead Connector, Male Elbow, Male Run Tee, Male Branch Tee | ||
| Tube Fittings Accessories | Blanking Plug, Tube Nut, Front Ferrule, Back Ferrule, Blanking End, Blanking Plug, Tube Nut, Front Ferrule, Back Ferrule, Blanking End | ||
| Tube To Union | Union Tee, Bulkhead Union, Union Elbow, Reducing Elbow, Union, Union Cross, Union Tee, Bulkhead Union, Union Elbow, Reducing Elbow, Union, Union Cross | ||
| Tube to Female Fittings | Female Connector, Female Bulkhead Connector, Female Run Tee, Female Branch Tee, Female Connector, Female Bulkhead Connector, Female Run Tee, Female Branch Tee |
Threads Dimensions of Monel Female Elbow
| BSPT Female | BSPT Male | ||
|---|---|---|---|
| Thread I.D | Thread O.D | ||
| mm | inch | mm | inch |
| 44,5 | 1.75 | 47,0 | 1.85 |
| 38,6 | 1.52 | 41,1 | 1.62 |
| 56,4 | 2.22 | 58,6 | 2.31 |
| 71,9 | 2.83 | 74,1 | 2.92 |
| 11,2 | 0.44 | 12,8 | 0.5 |
| 14,7 | 0.59 | 16,3 | 0.64 |
| 18,3 | 0.72 | 20,4 | 0.8 |
| 84,6 | 3.33 | 86,6 | 3.41 |
| 8,4 | 0.33 | 9,5 | 0.37 |
| 20,6 | 0.81 | 22,5 | 0.89 |
| 23,9 | 0.94 | 25,9 | 1.02 |
| 29,7 | 1.17 | 32,6 | 1.28 |
Nickel Alloy 400 Male Elbow Threads Dimensions
| BSPT Male | Dash | |
|---|---|---|
| Thread O.D | Size | |
| mm | inch | – |
| 12,8 | 0.5 | -4 |
| 16,3 | 0.64 | -6 |
| 41,1 | 1.62 | -20 |
| 25,9 | 1.02 | -12 |
| 32,6 | 1.28 | -16 |
| 47,0 | 1.85 | -24 |
| 22,5 | 0.89 | -10 |
| 74,1 | 2.92 | -40 |
| 9,5 | 0.37 | -2 |
| 86,6 | 3.41 | -48 |
| 20,4 | 0.8 | -8 |
| 58,6 | 2.31 | -32 |
End Connection of Monel 400 Tube Fittings
Select from a wide range of Monel 400 tube fitting end connections designed for high strength and leak-proof operation. End Connection of Monel Tube Fittings
- Welding
- Barbed
- JIC
- Threaded
- Compression
Threads Types of Alloy 400 Female Connector
| Standards | Threads Types |
|---|---|
| ISO 6149-2 | M = Metric Thread |
| BS2779 , ISO 228 / 1 + 2 , DIN 3852 with elastic sealing washer | R – ED BSPP / ISO Parallel |
| B2779 , ISO 228 / 1 + 2 , DIN 3852 | GC = BSPP Gauge Connector |
| ANSI B1.20.1 | N = NPT / National Pipe Taper |
| BS21 , ISO7 / 1 | K = BSP / ISO Taper |
| BS2779 , ISO 228 / 1 + 2 , DIN 3852 FORM A ( ² ) | R = BSP / ISO Parallel |
| BS2779 , ISO 228 / 1 + 2 , DIN 3852 FORM B³ ) | BR BSP / ISO Parallel |
Connection Types of UNS N04400 Pneumatic Fittings
UNS N04400 pneumatic fittings come with several connection styles, supporting both metric and imperial systems.
Male to female
ORB
JIC
Male to male
Instrumentation
BSP
NPT
Female
Types of WNR 2.4360 Compression Fittings
| Monel tube fittings grades | Equivalent to | Types |
|---|---|---|
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|
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Construction Material of Nickel Alloy 400 Double Ferrule Fittings
| Marking | Component | Material | Marking |
|---|---|---|---|
| 400on outer rim | 3 Front ferrule | Monel Grade 400 | 400 on outer rim |
| Notched hex , 400 on face | 1 Nut | Monel 400 | Notched hex , 400 on face |
| 400 on neck | 4 Body | Monel Grade 400 | 400 on neck |
| 400 or 6HN on outer rim | 2 Back ferrule | Monel 400 | 400 or 6HN on outer rim |
WNR 2.4360 Ferrule Fittings Chemical Composition
| Element | Name | Composition |
|---|---|---|
| Ni | Nickel | 63.0% min. |
| Mn | Manganese | 2.00% |
| Fe | Iron | 2.50% max |
| Cu | Copper | 28.0 – 34.0% |
Equivalent Material Grades of Monel 400 Tube Fittings
| Grade | North America | France | Germany | Japan | Russia | European | Russian | British | Other Names |
|---|---|---|---|---|---|---|---|---|---|
| Monel 400 | UNS N04400 | AFNOR NU3 | WNR/DIN 2.436/NiCu30Fe | BS NA 30 | Alloy 400/ Nickel 400 |
Mechanical Properties of Alloy 400 Hydraulic Fittings
| Yield Strength 0.2% Proof (MPa) | Tensile strength (MPa) | Elongation (% in 50mm) | Hardness (HV) |
|---|---|---|---|
| 195 | 480 | 35.00 | 131 |
Physical Properties of UNS N04400 Hydraulic Fittings
| Properties | Values | |
|---|---|---|
| Density | g/cm³ | 8.8 |
| lb/in³ | 0.318 | |
| Melting Range | °F | 2370-2460 |
| °C | 1300-1350 | |
| Modulus of Elasticity | ksi | 103 |
| Curie Temperature | °F | 70-120 |
| °C | 21-49 | |
| Torsion | – | 9.5 |
| Poisson’s Ratio | – | 0.32 |
| Tension | – | 26 |
Features of Monel 400 Tube Fittings (UNS N04400)
Engineered for tight sealing and durability, Monel 400 blanking ends are vital for isolating or capping fluid lines. Its features include:
- Exhibits excellent durability against fatigue and erosion
- Offers remarkable strength
- Resists cracking effectively
- Has a low rate of thermal expansion
- Provides superior heat conductivity
- Demonstrates high resistance to crevice corrosion
Suitable Environment for Alloy 400 Tube Fittings
Monel 400 tube fittings (UNS N04400) resist general corrosion, intergranular attack, and hydrogen embrittlement across acids, alkalis, and seawater environments — making them the preferred choice for marine, offshore, and chemical processing applications.
| Monel 400 / Monel K500 | Grade |
|---|---|
| 34% | Cu |
| 63% | Ni |
| Environment |
Installation of UNS N04400 Tube Fittings
How to Install UNS N04400 Monel 400 Tube Fittings:1. Select the correct ferrule type (single or double) based on pressure requirement.2. Insert tube fully into the fitting body until it bottoms out.3. Tighten the nut by hand, then advance 1–1.25 turns with a wrench.4. Pressure-test the connection at the rated PSI before commissioning.
| Installation description | Type |
|---|---|
| ASME SB 564 Monel cross |
| Monel metal female run tee |
| Monel bulkhead union |
| ASME SB 564 Monel tube nuts |
| Monel bulkhead union elbow |
| Monel alloy street elbow |
| ASTM B564 Monel female thread elbow |
| Monel metal alloy branch reducing tee |
| Monel metal alloy male street tee |
Why Use Monel 400 Tube Fittings?
Compared to 316L stainless steel, Monel 400 offers superior resistance to hydrofluoric acid and chloride-induced stress corrosion cracking. Unlike titanium, Monel 400 performs reliably in both oxidising and reducing environments, making it the first-choice alloy for chemical plant instrumentation.
Testing of Monel Tube Fittings
Each fitting undergoes extensive pressure and quality testing to maintain safety and compliance standards.
Macro Test
Spectro Analysis
IGC Test
MI Testing
Flaring Test
Flattening Test
Hardness Test
Pitting Resistance Test
Mechanical Testing
Micro Test
Other Available Stock of Monel Alloy 400 Instrumentation Tube Fittings
- Monel 400 Swagelok instrumentation Fittings
- ASTM B564 Alloy 400 Nickel Reducing Union Tee
- DIN 2.4360 45 Degree Positionable Male Elbow
- ASTM B366 Monel® Alloy 400 Ferrule Nut
- Monel 400 Positionable Male Run Tee
- Monel Alloy JIS NW 4400 Hex Plug
- ASME SB366 Monel 400 Tube End Closure
- Monel 400 Fitting End Closure
- Monel 400 Parker Compression Fittings
- Monel 400 Bulkhead Reducing Union
- Monel 400 Hydraulic Fittings in India
- Monel 400 Single Ferrule Compression Fitting
- Monel Alloy 400 Ferrule Fitting Manufacturer
- Monel 400 Positionable Male Elbow
- Monel 400 Hex Nipple Supplier
- Monel® 400 Hex Bushing Exporter
- SB564 Monel 400 Male Adapter
- Monel 400 Female Adapter
- Monel 400 Allen Key Plug
- Monel 400 Instrumentation Pipe Fittings
- Monel UNS N04400 Tube Cap Fittings
- Monel 400 Tylok Instrumentation Fittings
- Monel Alloy 400 Union Joint Ball
- Monel 400 Two Ferrule Compression Fitting
- Monel 400 Ferrule Tube Fittings Suppliers
- Monel 400 High Pressure Hydraulic Tube Fittings
Suppliers and Exporters of Monel 400 Compression Tube Fittings in Countries Like
FAQ’s About Monel 400 tube fittings
Monel 400 is a nickel-copper alloy (UNS N04400) known for its high strength, excellent corrosion resistance, and ability to operate across a wide temperature range.
Common Monel 400 tube fittings include elbows (threaded, JIC, welded), tees, unions, couplings, plugs, and ferrule-style compression fittings.
Yes. Monel 400 tube fittings can withstand elevated temperatures and maintain mechanical stability, making it suitable for heat exchangers, boilers, and high-temperature fluid systems.
Yes, many manufacturers offer customized dimensions, wall thicknesses, and end configurations to meet project-specific requirements.
Monel 400 is widely used in industries that require excellent corrosion resistance and strength in harsh environments. It is commonly applied in marine engineering, oil and gas processing, chemical and hydrocarbon industries, heat exchangers, valves, pumps, and instrumentation systems. Its resistance to seawater, acids, and alkalis makes it ideal for offshore and chemical processing applications.
Monel 400 is covered under several ASTM standards depending on the product form. Common specifications include ASTM B165 for seamless pipe and tube, ASTM B725/B730 for welded tubing, ASTM B127 for plates and sheets, and ASTM B366 for fittings. These standards define the material composition, mechanical properties, and manufacturing requirements for Nickel Alloy 400 products.
Monel 400 can operate effectively at temperatures up to approximately 550°C (1020°F) in continuous service. It maintains good mechanical strength and oxidation resistance at elevated temperatures, while also performing well in sub-zero conditions, making it suitable for both high-temperature and cryogenic applications.