High Quality Monel Sheets & Plates

400 / K500 • Formable • Ductile • Machinable

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Monel 400 / K500 Sheets & Plates

Premium Monel 400 / K500 Sheets & Plates by Ratnadeep Steel & Engg.

Ratnadeep Steel & Engg. Co. is a leading manufacturer, exporter, and supplier of premium-quality Monel 400 and Monel K500 Sheets & Plates, catering to clients across India and global markets. Headquartered in Mumbai, India, we produce and stock high-performance nickel–copper alloy products using top-grade raw materials and advanced manufacturing techniques to deliver superior strength, corrosion resistance, and long-term reliability for the most demanding industrial environments.

Monel 400 and Monel K500 Sheets & Plates are internationally renowned for their exceptional resistance to seawater, acids, alkalis, and harsh chemical environments, along with excellent mechanical strength and thermal stability. Monel 400 is widely valued for its outstanding corrosion resistance and good fabrication properties over a broad temperature range. Monel K500, a precipitation-hardened alloy of Monel 400, offers significantly higher strength and hardness along with added resistance to wear, galling, and stress corrosion cracking. These properties make them ideal for applications in marine engineering, oil & gas, chemical processing, aerospace components, pump and valve systems, power generation, and heat exchanger equipment.

At Ratnadeep Steel & Engg. Co., every Monel 400 and K500 sheet and plate is subjected to rigorous quality control procedures and detailed testing to ensure full compliance with national and international standards. We supply these high-performance Monel alloys in a wide range of thicknesses, dimensions, surface finishes, and customized specifications to meet diverse industrial and project demands. With a strong commitment to consistent quality, precision processing, and total customer satisfaction, we continue to be a trusted global supplier of Monel 400 & K500 Sheets & Plates for critical and high-performance applications.

  • Monel 400 / K500 Sheets & Plates

Our Monel 400 / K500 Sheets & Plates are available in a variety of size, depending on the specific demands of your project.

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Factory Price

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Top Quality

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Custom Size

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400/K500 MONEL SHEETS AND PLATES EQUIVALENT GRADES

STANDARD UNS WNR. JIS EN
Monel 400 N04400 2.4360 NW 4400 NiCu30Fe
Monel K500 N05500 2.4375

SPECIFICATION OF MONEL 400/K500 SHEETS AND PLATES

Standard ASTM B127 / ASME SB127
Dimension Standard JIS, AISI, ASTM, GB, DIN, EN, etc
Width 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness 0.3 mm to 120 mm
Form Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.

CHEMICAL COMPOSITION OF MONEL 400/K500 SHEETS AND PLATES

Grade Ni Fe C Mn Si Cu Al Ti S
400 63.0 – 70.00 max 2.50 max 0.3 max 2.00 max 0.50 max Remainder 0.024 max
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

MECHANICAL PROPERTIES OF MONEL 400/K500 SHEETS AND PLATES

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 %

The materials we supply undergo a comprehensive range of quality assurance procedures, including eddy current testing, hydrostatic testing, ultrasonic examination, and other essential NDT methods, along with detailed chemical and mechanical property evaluations. Each product is thoroughly inspected at multiple stages of manufacturing to ensure it is free from defects and suitable for demanding industrial applications. Our rigorous testing standards guarantee consistent quality and reliability. In addition, all products are manufactured in accordance with relevant industry norms and specifications, making them fully compliant and widely accepted in both domestic and international markets.

💡 Practical Difference in Use

Use Monel 400 when: excellent corrosion resistance with good strength and fabricability is required, especially in seawater and chemical environments. → Example: marine piping systems, heat exchangers, chemical storage tanks, pump and valve components.

Use Monel K500 when: the application demands significantly higher strength, hardness, and resistance to wear, galling, and stress corrosion cracking. → Example: marine shafts, fasteners, springs, oil & gas downhole tools, and aerospace components.

Applications of Monel 400 & K500 Sheets and Plates

Monel 400 and K500 are widely used in severe corrosive and high-stress environments where strength, seawater resistance, and long-term reliability are critical.

  • Marine Engineering: Exceptional resistance to seawater corrosion makes both grades ideal for marine structures and components.
  • Chemical Processing Equipment: Suitable for handling acids, alkalis, and aggressive chemical environments.
  • High-Strength Mechanical Parts: Monel K500 is preferred for heavy-duty, load-bearing, and wear-resistant applications.

When to Choose Monel 400 vs. Monel K500?

The selection depends mainly on required strength level, wear resistance, and operating stress conditions.

Choose Monel 400 when:

  • Excellent corrosion resistance is the primary requirement
  • Moderate mechanical strength is sufficient
  • Good weldability and fabricability are required
  • Exposure to seawater, acids, and alkaline solutions is expected
  • Used in heat exchangers, marine systems, and chemical plants
  • Cost-effective nickel–copper alloy is preferred

Choose Monel K500 when:

  • Very high mechanical strength and hardness are required
  • Resistance to wear, galling, and erosion is critical
  • Service involves high stress and dynamic loading
  • Superior resistance to stress corrosion cracking in seawater is required
  • Used in oil & gas, marine shafts, and aerospace components
  • Long service life under extreme operating conditions is essential

Industries That Use Monel 400 & K500 Sheets and Plates

Monel 400 and K500 sheets and plates are extensively used in industries where corrosion resistance, strength, and reliability under harsh environments are essential.

Marine and Shipbuilding

Primary application area due to excellent seawater corrosion resistance.

Uses

Propeller shafts, seawater piping, fasteners, and heat exchangers.

Why Monel?

Outstanding resistance to saltwater, biofouling, and marine corrosion.

Chemical Processing

Ideal for aggressive chemical handling and processing systems.

Uses

Reaction vessels, storage tanks, agitator blades, and piping systems.

Why Monel?

Resists acids, alkalis, and chemical attack over a wide temperature range.

Oil & Gas Industry

Widely used for high-pressure and corrosive oilfield environments.

Uses

Downhole tools, pump parts, valve components, and fasteners.

Why Monel?

High strength, excellent anti-galling properties, and resistance to sour gas environments.

Power Generation

Used in high-temperature and corrosive power plant environments.

Uses

Heat exchanger plates, condenser tubing, and boiler components.

Why Monel?

Maintains strength and corrosion resistance under thermal stress.

Aerospace and Defense

Critical material for high-strength and heat-resistant components.

Uses

Aircraft structural parts, fasteners, springs, and turbine components.

Why Monel?

Excellent strength-to-corrosion resistance ratio under extreme conditions.

Heat Exchangers & Condensers

Preferred for seawater and chemical heat transfer systems.

Uses

Condenser plates, tube sheets, and cooling systems.

Why Monel?

Excellent thermal conductivity and resistance to pitting and crevice corrosion.

Pharmaceutical & Food Processing

Used where hygiene and corrosion resistance are essential.

Uses

Process vessels, agitation systems, and handling equipment.

Why Monel?

Corrosion resistance ensures long life and contamination-free operation.

Fasteners & High-Strength Hardware

Specialized use for heavy-duty mechanical connections.

Uses

Bolts, nuts, springs, and high-load fastening systems.

Why Monel?

Monel K500 provides exceptional strength, wear resistance, and durability.

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