Nestled in the heart of Naypyidaw, Tun Pipes stands as a dedicated manufacturer and supplier, committed to meeting the precise demands of modern industry. We take pride in offering high-performance Monel 400 tubing, a material chosen for its exceptional reliability in challenging environments. Our focus is on delivering solutions that not only meet but exceed expectations, ensuring that our clients have access to top-tier materials right here in Myanmar for projects that demand nothing less than the best in quality and durability.
At its core, Monel 400 is a nickel-copper alloy that’s truly crafted for resilience. It maintains impressive strength and toughness across a wide range of temperatures, from freezing point upwards. The material is highly resistant to corrosion, especially in seawater, and holds its own against many acids and alkalis. In terms of its physical characteristics, it offers great mechanical stability, making it a robust choice for tubing that must endure both pressure and harsh conditions without faltering.
| ASTM/ ASME Specification | Standard Specification for Monel 400 Seamless & Welded Superheater, Condenser, Hydraulic, Boiler and Heat-Exchanger Tubes |
| Shapes | ASME SB 163 UNS N04400 Round, Rectangular, Square, Hydraulic, Straight, “U” Shape, Coiled, Honed Tubes, Pan Cake Coils |
| Manufacturing Type | Seamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded |
| Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| Standard | SUS, JIS, AISI, ASTM, GB, DIN, EN |
| Delivery Condition | Annealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF |
| Value Added Services |
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| END | Plain End, Beveled End, Treaded ASTM B163 Alloy 400 Tube |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting, Moulding |
| Technique | 400 Monel Cold drawn, Cold rolled, Hot rolled, Extrusion Tube |
| Marking |
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| Test Certificate |
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| Alloy 400 Tubing Packaging | Packed in PE Fabric Bundles or ply wooden box wrapped in plastic or Standard seaworthy export packing or as per customers’ request |
| ALLOY | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.24max | 28.0-34.0 | 2.50 max | 63.00 min | – |
| Element | Density | Melting Range | Tensile Stress | Yield Stress (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
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 400 Tubing from Tun 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.
Tun Pipes and Tubes, one of the largest suppliers of Monel 400 Tubing in Naypyidaw, Myanmar, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for monel products in the region.
| GRADE | WERKSTOFF NR. / DIN | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
Yes, we offer custom sizes for Monel 400 Tubing to meet your specific requirements. Our team at Tun Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@tunpipes.com.
Monel 400 Tubing finds extensive use in industries that require outstanding corrosion resistance and mechanical reliability. In the marine industry, it’s utilized for seawater cooling systems, pump shafts, and ballast systems, thanks to its ability to withstand saltwater and biofouling. In chemical processing, it effectively manages corrosive substances like hydrofluoric acid and caustic solutions in heat exchangers, piping, and reactors. The oil & gas sector uses it in offshore platforms, instrumentation systems, and sour gas environments. Additionally, Monel 400 Tubing is a go-to choice for various applications where durability and performance are crucial.







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