Zain Fittings stands out as a top manufacturer and supplier of Monel Buttweld Fittings, proudly based in Surabaya, Indonesia. This company is all about crafting high-quality buttweld fittings that excel in corrosion resistance, strength, and durability, even in the toughest environments. Monel alloys, which mainly consist of nickel and copper, are renowned for their remarkable ability to withstand seawater, hydrofluoric acid, and other highly corrosive substances. Zain Fittings has a wide array of Monel Buttweld Fittings available, including elbows, tees, reducers, caps, and crosses, catering to industries like chemical processing, petrochemical, marine, and offshore oil and gas, where dependable long-term performance is a must.
Specifications : ASTM B366 / ASME SB366
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : Seamless Butt Weld Fittings: 1/2″ – 10″, Welded Butt Weld Fittings: 1/2″ – 48″
Type : Seamless / Welded / Fabricated
Schedule : Sch 5 TO Sch XXS.
Thickness : 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.
Grades : Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
These Monel Buttweld Fittings are primarily made up of nickel (usually 63–70%) and copper (28–34%), with a dash of iron, manganese, and silicon to boost their strength and corrosion resistance. They boast a tensile strength of about 550–700 MPa, yield strength of 200–400 MPa, and an elongation of 30–50%. Even in challenging environments rich in chlorides, acids, and seawater, they show outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. The buttweld design guarantees leak-proof joints, impressive mechanical strength, and lasting durability under tough service conditions.
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
| Monel K500 | 0.25 max | 1.5 max | 0.5 max | 0.010 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (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 % |
| Monel K500 | 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 160000 , MPa – 1100 | Psi – 115000 , MPa – 790 | 20 % |
Zain Fittings is a leading supplier of Monel Buttweld Fittings in Jakarta, Indonesia. We offer an extensive range of Monel Buttweld Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| Monel | 2.4375 | N05500 | – | – | – | – | – |
Choose Monel Buttweld Fittings from Zain Fittings for superior quality, exceptional corrosion resistance, and reliable performance in extreme conditions. We offer customized solutions backed by expert support and industry experience.
Monel Buttweld Fittings offer numerous advantages, including exceptional corrosion resistance, particularly in seawater, acidic, and alkaline environments. They are highly durable, resisting pitting, crevice corrosion, and stress corrosion cracking, which ensures reliable performance in harsh conditions. These fittings also retain their strength and mechanical properties at elevated temperatures, making them ideal for high-pressure and high-temperature applications. Monel Buttweld Fittings are also known for their excellent weldability, machinability, and long-term reliability. Their versatility and ability to withstand aggressive environments make them a preferred choice for marine, chemical, and industrial applications.
Yes, custom sizes for Monel Buttweld Fittings are available at Zain Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@zainfittings.id
Monel Buttweld Fittings are a go-to choice in industries that need piping systems that can withstand corrosion and wear. They’re perfect for chemical and petrochemical plants, seawater handling systems, offshore oil and gas pipelines, and marine equipment. Their exceptional resistance to acids, saltwater, and oxidizing environments makes them ideal for heat exchangers, condensers, valves, and pumps. Plus, these fittings find their place in power generation, desalination, and chemical processing sectors, ensuring long-lasting reliability, operational safety, and efficient performance even in the harshest conditions.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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