When sourcing nickel alloy plates, EPC contractors and marine buyers face critical risks: material rejection, seawater failure, or late delivery.
At Navgraha Steels INC, Mumbai, we supply Monel 400 Plates that are certified, export-ready, and globally approved, trusted in chemical plants, offshore projects, oil refineries, and energy industries worldwide.
Monel 400 (UNS N04400 / Werkstoff Nr. 2.4360) is a nickel-copper alloy known for:
Buyers choose Monel 400 plates because they cut maintenance costs, prevent shutdown losses, and ensure consultant approval at first inspection.
Monel 400 Plates are a strategic material for industries where ordinary steel fails. Typical uses include:
Wherever corrosion = catastrophe, Alloy 400 plates are the safe investment.
| Property | Value (Approx.) | Buyer Advantage |
|---|---|---|
| Tensile Strength | ~550 MPa | Handles high-stress industrial use |
| Yield Strength | ~240 MPa | Withstands pressure & mechanical load |
| Elongation | ~35% | Excellent formability & fabrication |
| Hardness (Brinell) | ~110 HB | Balanced machinability & strength |
| Service Temperature Range | −200°C to 550°C | Safe in cryogenic & high-temp service |
| Corrosion Resistance | Outstanding | Long service life in seawater & acids |
| Element | % Composition | Role in Alloy |
|---|---|---|
| Nickel (Ni) | 63–70% | Base strength & corrosion resistance |
| Copper (Cu) | 28–34% | Key for acid & seawater resistance |
| Iron (Fe) | 2.5% max | Minor balance element |
| Manganese (Mn) | 2% max | Improves workability |
| Carbon (C) | 0.3% max | Controlled for weldability |
| Silicon (Si) | 0.5% max | Enhances oxidation resistance |
| Sulphur (S) | 0.024% max | Strictly controlled for quality |
Buyers often worry: “Will the plates pass international inspections without rejection?”
At Navgraha Steels INC, all Monel 400 Plates comply with:
These certifications ensure zero consultant objections and global acceptance.
One of the biggest buyer frustrations is non-availability of the required size.
We keep a ready stock of:
| Dimension | Range / Availability |
|---|---|
| Thickness | 3 mm to 100 mm |
| Width | 1000 mm to 2500 mm |
| Length | 2500 mm to 6000 mm (custom cut sizes available) |
| Supply Form | HR, CR, Polished, Cut-to-size, CNC profiled |
This gives buyers faster delivery, reduced wastage, and optimized cost.
The right surface finish determines performance and consultant approvals.
We supply:
Combined with its natural resistance to seawater, acids, and alkalis, Monel 400 provides a lifetime of protection.
Engineers often ask: “Is Monel 400 easy to machine or weld?”
The answer is yes, with the right expertise.
With Navgraha Steel’s guidance, buyers avoid fabrication delays and costly shop-floor errors.
Not all suppliers provide true export-ready service. Here’s why global buyers trust us:
With Navgraha Steel, buyers secure on-time delivery + compliance + trust.
Most EPC contractors prefer a single supplier for all critical alloys.
Along with Monel 400, we stock:
This makes Navgraha Steels INC a complete solution partner, not just a plate supplier.
Global projects fail when plates arrive late, corroded, or damaged.
At Navgraha Steels INC, we ensure on-time, intact delivery with:
Export Reach:
Every consignment arrives consultant-ready, globally accepted, and damage-free.
Selecting the wrong grade can cause costly rejections and project delays.
Here’s a quick selection checklist:
Navgraha Steel provides pre-purchase consultation so buyers avoid wrong specs and unnecessary costs.
For EPC buyers, documentation is as important as plates.
We deliver:
This ensures smooth audits, zero consultant objections, and 100% project compliance.
Yes, Monel 400 is highly resistant to seawater, hydrofluoric acid, hydrochloric acid, and alkaline salts.
Monel 400 is best for seawater and acid resistance, while Inconel 625 offers superior high-temperature strength.
Widely used in chemical processing, oil & gas, marine, offshore, and energy industries.
From Navgraha Steels INC, Mumbai — with EN 10204 MTC, NACE/HIC approval, and global export packaging.
Every day lost in procurement = higher project costs.
Connect with Navgraha Steels INC today to:
Don’t risk shutdown penalties — request a quotation now and secure supply from India’s trusted Monel 400 plate exporter.
