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.
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.
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.
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.
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.
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.
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.
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.
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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