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Kunj Sheets and Plates stands out as a top manufacturer and supplier of Monel 400 Sheets and Plates right in Chennai, India. Monel 400 is a remarkable alloy made primarily of nickel and copper, celebrated for its exceptional resistance to seawater, acids, and alkaline conditions. With its impressive strength, toughness, and outstanding corrosion resistance—especially in marine and chemical processing settings—Monel 400 sheets and plates are perfect for a variety of industrial uses. We provide these products in a range of sizes, thicknesses, and finishes, all while ensuring we meet international quality standards and offer tailored solutions for challenging engineering needs.
Monel 400 is composed mainly of 63% nickel and 30–34% copper, along with trace amounts of iron, manganese, carbon, and silicon. This unique blend gives it remarkable corrosion resistance in both acidic and alkaline environments. The tensile strength of Monel 400 sheets and plates ranges from 480 to 620 MPa, with a yield strength of about 170 MPa and an elongation of roughly 35%. It remains mechanically stable across a wide temperature range, is non-magnetic, and can be cold-worked. Its excellent thermal conductivity and toughness make it suitable for applications in both sub-zero and high-temperature conditions.
Specifications :ASTM B127 / ASME SB127, AMS 4544
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 4000mm, etc
Thickness : 0.3 mm to 120 mm
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form : Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange)
| 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 |
| 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 % |
| Plate Surface finish | Gauge (in) | Width (max in) |
|---|---|---|
| 2B – Cold rolled, heat treated, pickled, skin passed Plate | 10–24 | 72* |
| 2D – Cold rolled, heat treated, pickled plate | 12–24 | 60 |
| BA Mexinox only | 18–28 | 48 |
| Polished plate (not brushed) | 11–24 | 60 |
| Temper rolled plate Mexinox only | 13–29 | 48 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Monel 400 Sheets and Plates offer several key advantages including exceptional corrosion resistance, particularly in seawater, acids, and alkaline environments. They exhibit excellent strength and durability at both high and low temperatures, making them ideal for demanding industrial applications. With good weldability, formability and resistance to stress corrosion cracking. Monel 400 is versatile for various industries, including marine, chemical, and aerospace. Its resistance to oxidation and wear ensures long-term performance, reducing maintenance and replacement costs. Overall Monel 400 provides reliability, longevity, and high performance in harsh environments.
| Thickness | Plate Weight per Unit Area | Density |
|---|---|---|
| 3/16 inches | 0.06000 lbs/in²42.184176 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/4 inches | 0.08 lbs/in²56.245568 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/8 inches | 0.121 lbs/in²85.0714216 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/2 inches | 0.161 lbs/in²113.1942056 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 5/8 inches | 0.196 lbs/in²137.8016416 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/4 inches | 0.235 lbs/in²165.221356 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 7/8 inches | 0.274 lbs/in²192.6410704 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 inches | 0.313 lbs/in²220.0607848 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/4 inches | 0.391 lbs/in²274.9002136 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/2 inches | 0.47 lbs/in²330.442712 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 3/4 inches | 0.549 lbs/in²385.9852104 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 inches | 0.627 lbs/in²440.8246392 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/4 inches | 0.705 lbs/in²495.664068 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/2 inches | 0.784 lbs/in²551.2065664 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 3/4 inches | 0.862 lbs/in²606.0459952 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3 inches | 0.941 lbs/in²661.5884936 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
Monel 400 Sheets and Plates are widely utilized in marine engineering, especially for seawater pumps, valves, and heat exchangers. In the chemical and petrochemical sectors, they are perfect for processing equipment, storage tanks, and systems handling acids. Monel 400 is also a go-to material for offshore oil drilling platforms, gasoline tanks, and boiler feedwater heaters, thanks to its superior resistance to corrosion and biofouling. Furthermore, it finds applications in the aerospace industry, nuclear reactors, and pharmaceutical processing. Its durability and ability to withstand harsh environments make it a top choice for long-lasting industrial applications.
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