Dimensions : ASTM, ASME and API
Specifications : ASTM B 164, B 865, ASME SB 164, SB 865
Grade : Monel 400 (UNS No. N04400)
Size : 6 mm to 120 mm.
Form : Square
Length : Random, Fix & Cut Length
Finish : Bright, Polish & Black
Phehlukwayo Metal, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality **Monel Square Bars** that are designed to offer exceptional corrosion resistance, strength, and durability. Crafted with advanced precision techniques, these square bars boast accurate dimensions, a smooth surface finish, and consistent mechanical properties. Renowned for their impressive performance in tough and corrosive environments, Monel Square Bars are perfect for marine, chemical, and petrochemical applications. Phehlukwayo Metal guarantees that all products adhere to international standards, providing reliable, long-lasting, and high-performance solutions for industries that need precision-engineered nickel-copper alloy components capable of enduring extreme conditions and demanding industrial tasks.
Monel Square Bars primarily consist of nickel (around 63%) and copper (28–34%), along with trace elements of iron, manganese, and silicon. This unique composition grants them excellent corrosion resistance, high tensile strength, and good toughness. The material showcases a tensile strength of about 580–690 MPa, a yield strength of 250–380 MPa, and impressive ductility. Its uniform microstructure ensures dimensional stability, mechanical reliability, and resistance to both chemical and seawater corrosion, making Monel Square Bars ideal for critical marine, chemical, and high-performance industrial applications that require both strength and durability.
Dimensions : ASTM, ASME and API
Specifications : ASTM B 164, B 865, ASME SB 164, SB 865
Grade : Monel 400 (UNS No. N04400)
Size : 6 mm to 120 mm.
Form : Square
Length : Random, Fix & Cut Length
Finish : Bright, Polish & Black
| Element | Max | Min |
| Ni | – | 63.0 |
| Fe | 1.0 – 2.5 | – |
| C | 0.3 | – |
| Mn | 2.0 | – |
| Si | 0.5 | – |
| Cu | 28.0 – 34.0 | – |
| Al | 0.50 | – |
| S | 0.02 | – |
| Element | Monel |
| Density | 8.8 g/cm3 |
| Melting Point | 1350 °C (2460 °F) |
| Tensile Strength | Psi – 80,000 , MPa – 550 |
| Yield Strength (0.2%Offset) | Psi – 35,000 , MPa – 240 |
| Elongation | 40 % |
Yes, we provide bars and rods in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@phehlukwayometal.co.za
Yes, Monel Rectangular Bars are highly resistant to high-pressure environments, making them ideal for use in applications like pressure vessels, valves, and pumps in various industries.
Monel Square Bars maintain excellent strength and stability in high-temperature environments, making them suitable for use in heat exchangers, reactors, and other high-heat industrial applications.
These Monel Square Bars find extensive use in applications that demand high corrosion resistance, mechanical strength, and long-term reliability. They are commonly utilized in marine hardware, pump shafts, valves, and seawater piping systems. The alloy is also well-suited for chemical processing equipment, heat exchangers, and industrial components that are exposed to acidic or saline environments. Furthermore, Monel Square Bars are employed in petrochemical plants, aerospace parts, and precision engineering components where corrosion resistance, toughness, and mechanical reliability are essential.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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