- sales@ojaspipesandtubes.co.in
- Kolkata, Kolkata
Ojas Pipes and Tubes is a well-respected manufacturer and supplier of Monel Welded Tubing based in Kolkata, India. We specialize in providing corrosion-resistant and high-strength tubing solutions designed for demanding industrial settings. Our welded tubes, made from top-quality Monel alloys like Monel 400 and Monel K500, are celebrated for their outstanding resistance to seawater, acids, and alkalis. Adhering to standards such as ASTM B730 and B725, these tubes ensure superior weld quality, precise dimensions, and long-lasting performance. Ojas caters to essential sectors like marine engineering, chemical processing, oil and gas, and aerospace, delivering reliable tubing tailored for tough service conditions.
Monel Welded Tubing is primarily composed of Nickel (63–67%) and Copper (28–34%), with small amounts of Iron, Manganese, and in the case of Monel K500, Aluminum and Titanium for added strength through precipitation hardening. These tubes are known for their exceptional corrosion resistance, particularly in seawater, hydrofluoric acid, and alkaline environments. Their mechanical properties include a tensile strength ranging from 480 to 1100 MPa, yield strength up to 750 MPa, and elongation between 20% and 35%, depending on the specific alloy and condition. The welded design guarantees strong, uniform seams, making them perfect for moderate-pressure applications that demand durability and resistance to corrosive substances.
Monel Welded Tubes : ASTM B725 , ASME SB725 / ASTM B730, ASME SB730
Tube Size : 4 to 219mm W. T.: 0.5 to 20mm
Schedule : SSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Fabricated Pipes
Form : Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials : Sizes and Specifications other than above can be manufactured on request
| Grade | Ni | Fe | C | Mn | Si | Cu | Al | Ti | S |
|---|---|---|---|---|---|---|---|---|---|
| K500 | 63.0 min | 05 – 2 | 0.25 max | 1.5 max | 0.5 max | 27.0 – 33.0 | 2.3 – 3.15 | 0.35 – 0.85 | 0.010 max |
| 400 | 63.0- 70.00 max | 2.50 max | 0.3 max | 2.00 max | 0.50 max | Remainder | – | – | 0.024 max |
| Grade | Tensile (ksi) | .2% Yield (ksi) | Elongation % | Hardness (HRb) |
|---|---|---|---|---|
| 400 | 75 to 90 | 25 to 50 | 60 to 35 | 60 to 80 |
| K500 | Psi – 1,60,000 , MPa – 1100 | Psi – 1,15,000 , MPa – 790 | 20 % | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Monel Welded Tubing from Ojas Pipes and Tubes ensures outstanding corrosion resistance, high strength, and durability. Our tubing is designed for diverse industrial applications, delivering reliability and performance in challenging environments while maintaining competitive pricing.
Ojas Pipes and Tubes, one of the largest suppliers of Monel Welded Tubing in Kolkata, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Our extensive inventory and commitment to exceptional service make us the go-to choice for Monel products in the region.
Yes, we offer custom sizes for Monel Welded Tubing to meet your specific requirements. Our team at Ojas Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@ojaspipesandtubes.co.in.
Monel Welded Tubing finds extensive use in marine applications, including seawater cooling systems, desalination units, and offshore platforms, thanks to its remarkable resistance to saltwater corrosion. It’s also utilized in chemical and petrochemical plants, heat exchangers, fuel and hydraulic lines, and aircraft components. In the realms of power generation and oil refining, Monel tubing ensures long-lasting performance even in corrosive and high-temperature conditions. The welded design allows for precise tolerances and efficient fabrication, making it ideal for instrumentation, process piping, and low- to medium-pressure fluid applications.
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