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Girgaon, Mumbai - 400004
Monel Tubes Supplier in India
Trusted Global Supplier & Exporter of Monel Tubes
Kamal Steels, established in 1984, is a trusted Monel Tube Supplier and Exporter in India. We stock and supply Monel 400 and Monel K500 tubes in seamless and welded forms, manufactured in accordance with ASTM, ASME, and ANSI standards for demanding industrial applications.
Available in a wide range of sizes, wall thicknesses, and specifications, our Monel tubes are widely used in marine engineering, chemical processing, oil & gas, heat exchangers, desalination plants, offshore platforms, and power generation. With ready inventory, Mill Test Certificates (MTC), and worldwide delivery, Kamal Steels provides reliable tubing solutions for customers across India and international markets.
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Certifications & Compliance
- ISO 9001:2015 Certified
- ISO 14001 Certified
- ISO 45001 Certified
- PED Approved Materials
- MSME Registered Company
- IEC Export Certification
- GST Registered Business
Monel Tube Specifications
| Specification | Details |
|---|---|
| Product | Monel Seamless & Welded Tubes |
| Monel Grades | Monel 400 (UNS N04400), Monel K500 (UNS N05500) |
| Manufacturing Type | Seamless, Welded, ERW, Fabricated |
| Outside Diameter | 6.00 mm OD to 610 mm OD |
| Wall Thickness | 0.5 mm to 25 mm / SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, XXS |
| Length | 1 m to 12 m, Single Random, Double Random & Cut Length |
| Standards | ASTM B165, ASTM B163, ASTM B725, ASTM B730, ASME SB165, ASME SB163, ASME SB725, ASME SB730 |
| Surface Finish | Annealed, Pickled, Bright Annealed (BA), Polished |
| End Finish | Plain End (PE), Beveled End (BE), Threaded |
| Testing | Hydrostatic Test, Eddy Current Test, PMI Test, Flattening Test, Flaring Test, Ultrasonic Test & Third-Party Inspection |
| Applications | Marine Engineering, Chemical Processing, Oil & Gas, Heat Exchangers, Condensers, Power Generation, Offshore & Aerospace Industries |
Monel Tube Weight Chart
Monel Tube Pressure Ratings
Monel Tube Dimensions & Size Chart
Monel tubes are available in various sizes, wall thicknesses and schedules for marine, offshore, chemical and industrial tubing applications. These dimensions are commonly used in seawater systems, heat exchangers and corrosive service environments.
| Nominal Tube Size | Outside Diameter (OD) | SCH 40 Wall Thickness | SCH 80 Wall Thickness |
|---|---|---|---|
| 1/8" | 10.3 mm | 1.73 mm | 2.41 mm |
| 1/4" | 13.7 mm | 2.24 mm | 3.02 mm |
| 1/2" | 21.3 mm | 2.77 mm | 3.73 mm |
| 3/4" | 26.7 mm | 2.87 mm | 3.91 mm |
| 1" | 33.4 mm | 3.38 mm | 4.55 mm |
| 1 1/2" | 48.3 mm | 3.68 mm | 5.08 mm |
| 2" | 60.3 mm | 3.91 mm | 5.54 mm |
| 3" | 88.9 mm | 5.49 mm | 7.62 mm |
| 4" | 114.3 mm | 6.02 mm | 8.56 mm |
| 6" | 168.3 mm | 7.11 mm | 10.97 mm |
Monel 400 vs Monel K500 Tubes
Monel 400 and Monel K500 are the most widely used nickel-copper alloys for corrosion-resistant tubing applications. Monel 400 offers outstanding resistance to seawater, hydrofluoric acid, and alkaline environments, making it suitable for marine equipment, chemical processing, and heat exchangers. Monel K500 provides the same excellent corrosion resistance while offering significantly higher strength and hardness through age-hardening, making it ideal for offshore, aerospace, and high-load industrial applications.
| Property | Monel 400 Tubes | Monel K500 Tubes |
|---|---|---|
| UNS Number | N04400 | N05500 |
| Nickel Content | 63% Min | 63% Min |
| Copper Content | 28-34% | 27-33% |
| Additional Elements | Standard Alloy Composition | Aluminum & Titanium Added |
| Corrosion Resistance | Excellent | Excellent |
| Tensile Strength | Moderate | Significantly Higher |
| Hardness | Lower | Higher |
| Wear Resistance | Good | Excellent |
| Typical Applications | Heat Exchangers, Marine Equipment, Chemical Processing | Offshore Equipment, Pump Shafts, Valve Components, High-Strength Tubing |
The primary difference between Monel 400 Tubes and Monel K500 Tubes is mechanical strength. Monel K500 offers higher tensile strength, hardness and wear resistance due to precipitation hardening, while Monel 400 is preferred for general corrosion-resistant applications requiring excellent fabricability and weldability. Both grades provide outstanding resistance to seawater, acids and harsh industrial environments.
Types of Monel Tubes
Kamal Steels supplies Monel tubes in seamless, welded, heat exchanger, condenser, instrumentation, hydraulic, polished, and custom-cut lengths. These products are available in Monel 400 and Monel K500 grades to meet the requirements of chemical processing, marine engineering, offshore, oil & gas, and power generation industries.
- Monel Seamless Tubes
- Monel Welded Tubes
- Monel ERW Tubes
- Monel Fabricated Tubes
Monel Tube Equivalent Grades
| Material | UNS Number | Werkstoff No. |
|---|---|---|
| Monel 400 Tubes | N04400 | 2.4360 |
| Monel K500 Tubes | N05500 | 2.4375 |
Chemical Composition of Monel Tubes
| Grade | Nickel (%) | Copper (%) | Iron (%) | Manganese (%) | Carbon (%) | Silicon (%) |
|---|---|---|---|---|---|---|
| Monel 400 | 63 Min | 28 - 34 | 2.5 Max | 2.0 Max | 0.30 Max | 0.50 Max |
| Monel K500 | 63 Min | 27 - 33 | 2.0 Max | 1.5 Max | 0.25 Max | 0.50 Max |
Monel Tube Standards
| ASTM Standards | ASME Standards |
|---|---|
| ASTM B165 | ASME SB165 |
| ASTM B725 | ASME SB725 |
| ASTM B730 | ASME SB730 |
| ASTM B163 | ASME SB163 |
Mechanical Properties of Monel Tubes
Tensile Strength
Tensile strength represents the maximum stress a monel tube can withstand before failure. Monel tubes provide high tensile strength and excellent durability, making them suitable for marine, offshore and chemical processing applications.
Yield Strength
Yield strength indicates the stress level at which permanent deformation begins. Monel tubes maintain excellent yield strength, ensuring reliable performance in corrosive and high-pressure environments.
Elongation
Elongation measures the ductility and flexibility of monel tubes before fracture. High elongation improves fabrication and installation performance in industrial tubing systems.
| Grade | Tensile Strength (MPa, Min) | Yield Strength (MPa, Min) | Elongation (% Min) |
|---|---|---|---|
| Monel 400 | 550 | 240 | 35% |
| Monel K500 | 965 | 690 | 20% |
Features of Monel Tubes
- Excellent Seawater Corrosion Resistance: Monel tubes provide outstanding resistance to seawater, saltwater and chloride-rich environments, making them ideal for marine applications.
- High Mechanical Strength: These tubes maintain excellent strength and durability even under high pressure and demanding industrial conditions.
- Superior Resistance to Acids & Alkalis: Monel tubes perform efficiently in chemical processing environments exposed to aggressive acids and alkaline solutions.
- Excellent Weldability & Fabrication: Due to their good ductility, monel tubes can be easily fabricated, welded and formed without compromising structural integrity.
- Reliable Performance at Elevated Temperatures: Monel tubes retain strength and corrosion resistance even in high-temperature industrial systems.
- Smooth Surface Finish: The smooth internal and external finish improves flow efficiency and minimizes scaling or contamination risks.
- Long Service Life: Built for harsh environments, monel tubes offer excellent durability and reduced maintenance requirements.
- Suitable for Aggressive Environments: These tubes are widely used in offshore, marine and chemical industries where corrosion resistance is critical.
Applications of Monel Tubes
Monel tubes are widely used in industries requiring superior seawater corrosion resistance, high strength and reliable performance in aggressive environments.
Marine Engineering
Widely used in seawater tubing systems, shipbuilding and marine equipment exposed to corrosive saltwater conditions.
Offshore Industry
Used in offshore platforms and oil drilling systems requiring high corrosion resistance and mechanical strength.
Chemical Processing Plants
Suitable for handling acids, alkalis and aggressive chemicals in industrial processing systems.
Heat Exchanger Systems
Preferred for condensers and heat exchangers due to excellent thermal performance and corrosion resistance.
Petrochemical Industry
Applied in refining and hydrocarbon processing units operating under corrosive conditions.
Desalination Plants
Used in seawater desalination systems for long-lasting corrosion-free service life.
Power Generation
Suitable for high-pressure and high-temperature power plant systems.
Engineering Applications
Used in critical engineering systems requiring durability, reliability and corrosion resistance.
Industries We Serve
Kamal Steels supplies monel tubes to industries requiring high corrosion resistance, strength and dependable performance in harsh environments.
Marine Industry
Preferred for seawater systems, shipbuilding and offshore marine applications.
Oil & Gas Industry
Used in offshore drilling, refining and high-pressure hydrocarbon systems.
Chemical Industry
Suitable for chemical plants handling highly corrosive process media.
Power Industry
Used in power generation systems requiring reliable high-temperature performance.
Water Treatment Industry
Widely used in desalination and water purification systems.
Engineering Sector
Applied in fabrication, industrial machinery and heavy engineering projects.
Petrochemical Industry
Used in process plants exposed to aggressive chemicals and hydrocarbons.
Packaging, Testing & Inspection
Packaging
- Wooden Boxes: Monel tubes are securely packed in wooden boxes for safe transportation and export handling.
- Bundle Packing: Tubes are bundled properly for convenient storage and shipment.
- Plastic End Caps: Protective caps prevent damage, dust and moisture entry during transit.
- Export Standard Packing: All packaging complies with international export standards for safe worldwide delivery.
Testing & Inspection
- Hydrostatic Testing: Ensures monel tubes can withstand high internal pressure without leakage.
- Ultrasonic Testing: Detects internal defects and ensures product integrity.
- Positive Material Identification (PMI): Confirms accurate monel alloy composition and grade verification.
- Flattening Test: Evaluates ductility and mechanical performance under compression.
- Visual Inspection: Checks surface finish, dimensions and overall quality compliance.
- Third Party Inspection: Independent inspection agencies verify quality standards before dispatch.
Frequently Asked Questions
Monel Tubes are nickel-copper alloy tubes known for their excellent corrosion resistance, high strength and durability in marine, chemical processing and offshore environments.
Monel Tubes are commonly available in Monel 400 (UNS N04400) and Monel K500 (UNS N05500) grades, each offering unique mechanical and corrosion-resistant properties.
Monel Tubes are widely used in marine engineering, offshore platforms, chemical processing plants, oil and gas industries, heat exchangers, desalination plants and power generation facilities.
Yes, Monel Tubes are available in both seamless and welded forms to meet various pressure, temperature and corrosion-resistance requirements.
Monel Tubes are manufactured according to ASTM B163, ASTM B165, ASTM B725, ASTM B730 and corresponding ASME standards.
Monel Tubes are available in a wide range of outside diameters, wall thicknesses and lengths, including custom dimensions based on project requirements.
Monel Tubes offer excellent seawater corrosion resistance, high mechanical strength, superior resistance to acids and alkalis, good weldability and long service life.
Yes, all Monel Tubes can be supplied with Mill Test Certificates (MTC) as per EN 10204 3.1 along with complete material traceability documentation.
Yes, Kamal Steels exports Monel Tubes worldwide and provides export packaging, documentation and logistics support for international shipments.
Contact Kamal Steels with your required grade, size, quantity and application details to receive the latest Monel Tube Price in India along with stock availability and quotations.