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Monel 400 Coils Supplier & Exporter – Navgraha Steels INC, Mumbai, India

In procurement, one wrong material choice can mean shutdown penalties, seawater corrosion failures, or consultant rejection.
At Navgraha Steels INC, Mumbai, we eliminate this risk with Monel 400 Coils — certified, seaworthy, and globally accepted. Our coils are trusted in marine, oil & gas, chemical, desalination, and energy industries across continents.

Table of Contents

What Are Monel 400 Coils & Why Do Buyers Prefer Them in Harsh Environments?

Monel 400 (UNS N04400 / Werkstoff 2.4360) is a nickel-copper alloy engineered for conditions where stainless steel and carbon steel fail.

  • Marine Reliability: Withstands seawater, brine, and salt spray.
  • Acid Resistance: Performs in hydrochloric, hydrofluoric, and alkali environments.
  • Thermal Stability: Operates safely from cryogenic conditions to 550°C.
  • Audit Ready: Approved under ASTM, ASME, NACE MR0175/ISO 15156.

Buyers choose Monel 400 coils when failure is not an option.

Industry Applications of Alloy 400 Coils in Marine, Oil & Gas, Chemical & Power Plants

Monel 400 Coils are used in critical systems where downtime is costly:

  • Marine & Offshore: Heat exchanger tubes, seawater piping, condenser coils.
  • Oil & Gas: Refinery units, sour gas service, desalination plants.
  • Chemical Processing: Acid tanks, evaporators, brine heaters.
  • Energy & Power: Nuclear fuel reprocessing, pollution control equipment.

For buyers, these applications mean proven trust + guaranteed consultant approval.

Mechanical Properties of Monel 400 Coils

Property Value (Approx.) Buyer Advantage
Tensile Strength ~550 MPa Handles high pressure & stress
Yield Strength ~240 MPa Performs under load
Elongation ~35% Excellent ductility for forming
Hardness (Brinell) ~110 HB Balance of strength & machinability
Service Temperature Range −200°C to 550°C Works in cryogenic & high-heat
Corrosion Resistance Outstanding Long-term performance in seawater & acids

Chemical Composition of Alloy 400 Coils (UNS N04400 / Werkstoff 2.4360)

Element % Composition Function in Alloy
Nickel (Ni) 63–70% Base strength, corrosion protection
Copper (Cu) 28–34% Seawater & acid resistance
Iron (Fe) ≤2.5% Balance element
Manganese (Mn) ≤2% Improves workability
Carbon (C) ≤0.3% Ensures weldability
Silicon (Si) ≤0.5% Oxidation resistance
Sulphur (S) ≤0.024% Strict quality control

Global Standards & Equivalent Grades of Monel 400 Coils (ASTM B127 / ASME SB127)

When buyers ask, “Will this coil meet international inspection standards?” — the answer is yes.
At Navgraha Steels INC, Monel 400 coils comply with:

  • ASTM B127 / ASME SB127
  • UNS N04400 / Werkstoff Nr. 2.4360
  • NACE MR0175 / ISO 15156 (sour service)
  • EN, BS, DIN equivalents available on request

This ensures global consultant acceptance with zero rejection risk during project audits.

Thickness Range, Width & Coil Sizes Available in Stock

One of the biggest buyer pain points: delayed delivery due to wrong coil size.
We maintain ready stock in:

Dimension Range / Availability
Thickness 0.3 mm to 20 mm
Width 600 mm to 1500 mm
Coil Weight 100 kg to 3000 kg (custom slit available)
Supply Form HR, CR, Slit Coils, Jumbo Coils

This means buyers get on-time supply, reduced wastage, and lower total cost.

Surface Finishes & Corrosion Resistance of Monel 400 Coils

The right surface finish ensures EPC approval and long-term durability.
We supply:

  • Hot Rolled (HR) Coils – for heavy-duty industrial use.
  • Cold Rolled (CR) Coils – precision thickness for engineering projects.
  • Polished Coils – for critical marine & chemical applications.
  • 2B & BA Finishes – consultant-preferred for high-spec projects.

Combined with Monel 400’s natural seawater & acid resistance, these finishes deliver guaranteed performance.

Fabrication, Machining & Welding Guidelines for Alloy 400 Coils

Fabricators often ask: “Will the coils behave properly in machining & welding?”
With Navgraha Steel’s supply:

  • Machining: Slow speeds required (work hardening tendency).
  • Welding: Excellent with GTAW, GMAW, SMAW.
  • Forming: Easily formable in annealed condition.
  • Heat Treatment: Stress relief recommended post-welding.

This ensures smooth shop-floor performance with no project delays.

Why Choose Navgraha Steels INC as Your Monel 400 Coil Supplier in India?

Not every supplier can guarantee project security. Buyers trust us because we provide:

  • Ready stock in Mumbai — immediate dispatch.
  • Seaworthy packaging — wooden pallets, HDPE wrap, steel strapping.
  • Mill Test Certificates (EN 10204 3.1/3.2) with every order.
  • Third-party inspections (SGS, TÜV, Lloyd’s, BV) on request.
  • Global export track record — GCC, Africa, Europe, Americas.

With Navgraha Steel, buyers secure on-time delivery + full compliance + zero rejection.

 Related Nickel Alloys & Coil Grades Supplied Alongside Monel 400 Coils

Buyers prefer one reliable supplier for multiple alloys. Alongside Monel 400 Coils, we also supply:

  1. Monel K500 Coils
  2. Inconel 625 / 825 / 718 Coils
  3. Hastelloy C22 / C276 Coils
  4. Duplex & Super Duplex Stainless Coils
  5. Titanium & Nickel Alloy Coils

This makes us a complete nickel alloy sourcing partner, not just a vendor.

Export Destinations & Seaworthy Packaging of Monel 400 Coils

Late deliveries or damaged coils can cause project shutdown penalties.
At Navgraha Steels INC, every Monel 400 Coil is shipped with secure seaworthy packaging:

  • Wooden pallets & crates, HDPE wrapping, steel strapping.
  • Fumigation-compliant for GCC, EU, and US imports.
  • Heat number stamping & barcoding for traceability.

Export Reach:

  • Middle East & GCC: UAE, Saudi Arabia, Oman, Qatar, Kuwait.
  • Africa: South Africa, Nigeria, Kenya, Egypt.
  • Europe: Germany, UK, France, Italy.
  • Asia-Pacific: Singapore, Vietnam, Malaysia, Indonesia.
  • Americas: USA, Mexico, Brazil, Canada.

Global clients trust us for on-time, damage-free, consultant-ready supply.

How to Select the Right Monel 400 Coil for Your Project

Choosing the wrong finish or thickness can lead to audit rejection or failure in service.
Before placing an order, check:

  1. Application Fit: Marine (heat exchangers), Oil & Gas (sour gas), Chemical (acid tanks).
  2. Standard Compliance: ASTM B127 / ASME SB127 / NACE required?
  3. Finish Selection: HR/CR for industrial, 2B/BA for EPC projects.
  4. Certification: EN 10204 3.1/3.2 MTC, HIC/NACE test reports.
  5. Form Required: Full coil, slit coil, or custom cut-to-size.

Navgraha Steel provides pre-purchase consulting to ensure buyers get the right grade, right finish, right documentation.

Certifications, Test Reports & Third-Party Inspections

Global consultants don’t accept material without paperwork.
We supply:

  • Mill Test Certificates (EN 10204 3.1/3.2)
  • NACE MR0175 / ISO 15156 compliance (sour service)
  • HIC & SSC test results for chemical plants & refineries
  • Third-party inspection approvals (SGS, TÜV, Lloyd’s, BV)
  • Full traceability with heat numbers & packaging details

Buyers get zero-rejection assurance during audits and consultant checks.

FAQs on Monel 400 Coils

Yes, Monel 400 coils offer outstanding resistance to seawater, brine, hydrochloric acid, hydrofluoric acid, and alkaline solutions.

Coils are supplied in continuous rolled form (0.3–20 mm thick), ideal for slitting or fabrication, while sheets are cut to fixed dimensions.

Marine, oil & gas, desalination, energy, and chemical processing industries.

From Navgraha Steels INC, Mumbai, with EN 10204 MTC, NACE/HIC compliance, and third-party inspection approvals.

Request Monel 400 Coil Price, Datasheet & Expert Consultation Today

Every procurement delay increases project cost.
Contact Navgraha Steels INC now to:

  • Get the latest Monel 400 coil price per kg / ton.
  • Access datasheets & mill test certificates instantly.
  • Check ready stock availability in Mumbai.
  • Plan global export delivery with consultant-approved packaging.

Don’t wait until your project hits a bottleneck — request a quotation today.

Contact Our Team Today