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Monel 400 Price List – Plates, Sheets, Coils & Tubes

Monel 400 (UNS N04400 / Alloy 400) is a nickel-copper alloy with outstanding resistance to:

  • Seawater & marine environments
  • Hydrofluoric & sulfuric acids
  • Alkalis & neutral salts
  • Stress corrosion cracking & pitting

It also retains high strength and toughness from sub-zero to 480°C.

At Navgraha Steels INC (Mumbai, Maharashtra, India), we supply Monel 400 plates, sheets, coils & tubes from Sail, AMNS, JSPL, Evonith, Nippon Yakin, Outokumpu, VDM, ATI.

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Monel 400 Price Table – INR & USD

Product Form & Synonyms Standard / Specs Finish / Condition Thickness / Size Industry Use Mill Origin Price (₹/kg) Price (USD/kg)
Plates (Alloy 400 Plates, UNS N04400 Plates) ASTM B127 / ASME SB127 HR, Annealed, Solution Treated 3mm – 100mm Marine, Oil & Gas, Chemical Plants Nippon Yakin, Outokumpu, VDM, ATI, Sail, AMNS ₹2,600 – ₹3,700 $30 – $45
Sheets (Nickel Alloy Sheets) ASTM B127 HR / CR 0.5mm – 12mm Fabrication, Heat Exchangers Nippon Yakin, Outokumpu, VDM, ATI, JSPL ₹2,650 – ₹3,800 $31 – $46
Coils (Monel 400 Coils, Strips) ASTM B127 HR, CR, P&O 0.2mm – 10mm, width 500–2000mm Marine Linings, Reactors VDM, ATI, Outokumpu, Evonith ₹2,550 – ₹3,600 $29 – $43
Tubes & Pipes (Seamless / Welded) ASTM B165 / ASTM B725 Annealed OD: 6mm – 400mm Marine Piping, Heat Exchangers Nippon Yakin, VDM, ATI ₹2,800 – ₹4,000 $33 – $48

Prices vary depending on size, thickness, finish & mill origin.

By Standards & Specifications (ASTM, ASME, UNS)

Monel 400 is internationally recognized as UNS N04400 and supplied under:

  • ASTM B127 / ASME SB127 → Plates, sheets & coils
  • ASTM B165 / ASME SB165 → Seamless pipes & tubes
  • ASTM B725 / ASME SB725 → Welded pipes & tubes
  • ASTM B564 / ASME SB564 → Forged flanges & fittings
  • ASTM B164 → Bars & rods

A proven alloy for marine environments, chemical processing & oil & gas projects.

By Brand / Mill Origin – Indian & Global Mills

We supply Monel 400 from trusted origins:

  • Indian Mills → Sail, AMNS, JSPL, Evonith
  • Global OEMs → Nippon Yakin (Japan), Outokumpu (Finland), VDM Metals (Germany), ATI (USA)

Indian mills offer cost benefits, while global OEMs deliver premium EPC-grade compliance.

By Testing & Quality Control – Nickel Alloy Standards

Every Monel 400 batch undergoes rigorous testing:

  • Mechanical Tests → Tensile, yield, elongation verification
  • Corrosion Tests → Seawater & acid immersion (HF, H₂SO₄, HCl)
  • Pitting & Crevice Testing → ASTM G48 methods
  • Hardness Testing (Rockwell / Brinell) → For machinability
  • Ultrasonic Testing (UT 100%) → Ensures defect-free plates & tubes
  • Third Party Inspections (TÜV, Lloyd’s, BV, SGS) as per buyer requirement

Always supplied with EN 10204 3.1/3.2 MTCs for project approvals.

 By Manufacturing & Finish – HR, CR, Annealed, Solution Treated

  • Hot Rolled (HR) Plates → Heavy fabrication & shipbuilding
  • Cold Rolled (CR) Sheets & Coils → Precision marine & chemical use
  • Annealed & Solution Treated → Maximizes seawater resistance
  • Pickled & Oiled (P&O) → Protects coils during storage/export

Marine & offshore buyers typically demand annealed & solution-treated Monel 400.

 By Thickness, Width & Supply Form

  • Plates: 3mm – 100mm, up to 3000mm wide
  • Sheets: 0.5mm – 12mm, cut-to-size supply
  • Coils: 0.2mm – 10mm, widths 500–2000mm
  • Pipes & Tubes: Seamless/welded, OD 6mm – 400mm
  • Bars & Rods: Round, flat & hex bars available
  • Fittings & Flanges: Elbows, reducers, tees, flanges on request

Available in domestic stock & export-ready supply.

Industry Applications – Where Monel 400 is Used

Monel 400 is the alloy of choice in marine & corrosive chemical service:

  • Marine Engineering (seawater piping, pump shafts, valves)
  • Oil & Gas (refinery piping, sour gas service)
  • Chemical Processing (HF acid, alkalis, sulfuric acid)
  • Power Generation (heat exchangers & boiler feed lines)
  • Shipbuilding & Offshore Platforms
  • Pollution Control Systems

Known as the marine alloy, Monel 400 ensures long service life in seawater & corrosive media.

Export Pricing – India vs GCC vs Africa vs Europe

At Navgraha Steels INC (Mumbai, Maharashtra, India), we export Monel 400 plates, sheets, coils & tubes worldwide:

  • India (Domestic Buyers) → ₹2,600 – ₹3,700 per kg depending on mill origin & thickness.
  • GCC (UAE, Saudi Arabia, Oman, Qatar, Kuwait) → Widely used in offshore oil rigs, desalination plants & refinery projects.
  • Africa (South Africa, Nigeria, Kenya, Egypt) → High demand for fertilizer plants, marine & chemical processing.
  • Europe & USA → Supplied with CE mark & EN 10204 3.1/3.2 MTCs, meeting EPC project specifications.

Export supply includes seaworthy wooden pallets, HDPE wrapping, steel-strapped bundles & TPI-approved documents.

How to Source Monel 400 at the Best Price

Before procurement, buyers should check:

  1. Mill Origin → Nippon Yakin, Outokumpu, VDM, ATI (Global OEMs) + Sail, AMNS, JSPL, Evonith (India).
  2. Form Selection → Plates for fabrication, sheets/coils for exchangers, tubes/pipes for marine piping.
  3. Condition → Always request annealed & solution-treated for seawater service.
  4. Testing & Certification → Confirm ASTM B127/B165 compliance + UT 100% & corrosion test reports.
  5. Documentation → Ensure EN 10204 MTCs & TPI certification for EPC approval.

Smart sourcing reduces downtime, maintenance & rejection risks in marine and refinery projects.

Certifications, Approvals & Test Reports Supplied

Each Monel 400 consignment is backed with:

  • Mill Test Certificates EN 10204 3.1/3.2
  • ISO 9001:2015 & CE Certification
  • NACE MR0175 / MR0103 Compliance for oil & gas
  • Ultrasonic Testing (UT 100%)
  • Corrosion & Pitting Test Reports (ASTM G28/G48)
  • Third Party Inspection (Lloyd’s, TÜV, BV, SGS)

Ensures global project clearance & trust from EPC contractors.

Why Buy from Navgraha Steels INC (Mumbai, Maharashtra, India)

  • Specialist in nickel alloys & marine-grade materials.
  • Stock from Sail, AMNS, JSPL, Evonith, Nippon Yakin, Outokumpu, VDM, ATI.
  • Transparent INR & USD pricing for all buyers.
  • Cut-to-size & export-ready packaging.
  • 15+ years of global supply experience to GCC, Africa, USA & Europe.

We deliver not just alloys, but long-lasting performance in harsh marine & chemical conditions.

FAQ’s

 $30 – $45 per kg FOB/CIF basis.

Nippon Yakin, Outokumpu, VDM, ATI (Global) + Sail, AMNS, JSPL, Evonith (India).

Marine engineering, offshore platforms, oil & gas refineries, chemical processing, heat exchangers & pollution control.

EN 10204 3.1/3.2 MTCs, ISO 9001, CE, NACE MR0175/0103, UT 100%, corrosion test reports, TPI approvals.

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