Monel 400 for Ennore Port and North Chennai Power-Plant Seawater Cooling

Monel 400 for Ennore Port and North Chennai Power-Plant Seawater Cooling

Coastal power stations and port facilities around Ennore put metal into intake channels, cooling-water circuits and splash zones. Monel 400, the nickel-copper alloy UNS N04400, is a long-standing choice for that seawater duty in sheet, plate and pipe. This page is for buyers working at Ennore, Athipattu and the North Chennai power belt; it is not a second sheet catalogue. Ganesh Metals has been a stockist and supplier of high-nickel alloys in Mumbai since 1992. Monel 400 is supplied from Mumbai stock, with sizes confirmed per enquiry, and is covered by an EN 10204 3.1 mill test certificate.

We provide direct door delivery to your company in Chennai. Sheet, plate and pipe are cut and packed in Mumbai and sent to Ennore, Athipattu, Minjur and Tiruvottiyur. There is no Chennai branch. Tell us whether the part sees flowing or stagnant seawater, and the form and size you need, and we will confirm what can be supplied before quoting.

Monel 400 equivalents and specifications

Equivalents table: UNS N04400; W.Nr 2.4360; EN / DIN NiCu30Fe; also written Alloy 400. The UNS number on the mill certificate is what the inspector should check.

ASTM / ASME specifications by form: plate, sheet and strip — B127 / SB127 (usually annealed; cold-rolled sheet for forming, hot-rolled plate for heavier parts). Bar — B164. Seamless pipe and tube — B165. Welded pipe — B725. Welded tube — B730. Fittings — B366 (WPNC). Flanges and forgings — B564.

Monel 400 is the grade page for chemistry and forms. Sheet- and plate-led cutting detail is on Monel 400 sheet in Chennai. Pipe detail is on Monel pipe and tube.

Typical chemistry (ASTM B127, wt%): Ni 63.0 min; Cu 28.0–34.0; Fe 2.5 max; Mn 2.0 max; C 0.30 max; Si 0.50 max; S 0.024 max. Density about 8.80 g/cm³. Slightly magnetic at room temperature, so a magnet cannot confirm the grade.

Mechanicals, ASTM B127 annealed plate minimums (as on our Monel 400 grade page): tensile 483 MPa, yield 193 MPa, elongation 35%.

Monel K500 is the age-hardened companion for shafts and other high-stress parts; it is not a substitute when you specifically need the formability of 400.

Related pages:

Monel 400 grade data

Monel 400 sheet in Chennai

Monel pipe and tube

Monel K500

Monel in Chennai

enquiry form

Pipe, tube and flanges are supplied with sizes confirmed per enquiry, from Mumbai stock.

metal weight calculator

Titanium Grade 2 sheet in Chennai

Ennore port and North Chennai power-plant seawater duty

North Chennai's coastal thermal power stations draw large volumes of seawater for cooling. Monel 400 is used on intake, pump and condenser-side parts that see flowing seawater, and on fabricated sheet or plate parts in the same circuits. We describe the duty, not any plant as a customer. Ennore Port and the adjoining coastal workshops need seawater-resistant sheet, plate and pipe for harbour fittings, cooling lines and splash-zone cladding. Fast-moving, aerated seawater is the condition Monel 400 handles best.

Sheet, plate and pipe: how Monel 400 is supplied for Ennore

Thin cold-rolled sheet is cut into panels or strips for cladding and formed parts. Thicker hot-rolled plate is cut to drawings for water-box, strainer and pump parts. Seamless pipe and tube (B165) are the usual choice for higher-integrity seawater lines; welded pipe (B725) may suit larger diameters at lower pressure. All pipe, tube and flange sizes are confirmed per enquiry, from Mumbai stock. Each cut piece keeps its heat number. For splash-zone cladding, send the sheet thickness and the panel or strip sizes and we will cut annealed sheet to the list. Monel 400 forms well in the annealed condition and is commonly welded with ERNiCu-7 filler. Keep sulphur-bearing crayons and oils off the sheet before it is welded or heated.

In low-flow or stagnant, deaerated seawater, Monel 400 can suffer pitting under deposits. Idle cooling lines should be drained or flushed, or a different alloy may be a better choice. Share the flow condition with the enquiry.

Chemical units towards Tiruvottiyur and Manali sometimes specify Monel 400 for hydrofluoric acid or caustic duties, which is a separate use from the coastal cooling work that this page leads with.

How to order Monel 400 for Ennore and North Chennai

1. Email sales@ganeshmetals.com, call +91 22 6636 2372 or WhatsApp +91 99872 73700 with the grade (Monel 400 or K500), form, thickness or pipe size (outside diameter, wall or schedule, seamless or welded), cut sizes, quantity, and whether the duty is flowing or stagnant seawater. Or use the enquiry form.

2. We check Mumbai stock and send the price together with the heat number on the mill certificate.

3. After you confirm the order and the transporter, we cut, mark, pack and dispatch from Mumbai and forward the documents.

When you confirm the order, name the delivery point — Ennore, Athipattu, Minjur or Tiruvottiyur — and the transporter you want to use.

Transit time is not a fixed figure. We agree the dispatch plan with you and the carrier at the time of the order.

Why Ennore and North Chennai buyers use Ganesh Metals for Monel 400

Stockist and supplier of high-nickel alloys in Mumbai since 1992, with the shop certified to ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018.

Every lot is supplied with the mill's original EN 10204 3.1 test certificate, and the heat number is transferred onto cut sheet, plate and pipe lengths.

We provide direct door delivery to your company in Chennai. Monel 400 is supplied from Mumbai stock to Ennore, Athipattu, Minjur and Tiruvottiyur.

Sheet, plate and pipe can be quoted together, which helps a cooling-water or port job that needs more than one form.

If Titanium Grade 2 or Monel K500 is the more suitable grade for the part, we will say so at the enquiry stage.

Annealed sheet for cladding and formed parts is cut to your list, so a site team receives ready-to-fit panels rather than a full mill sheet.

Is Monel 400 suitable for North Chennai power-plant cooling water?

Yes, especially where the seawater is flowing. Monel 400 has a long record in seawater cooling, intake and condenser-side parts. If a line sits idle or the water is stagnant and low in oxygen, tell us, because pitting under deposits can occur and another grade may be wiser.

Monel 400 or Titanium Grade 2 for an Ennore condenser or intake?

Both resist seawater. Monel 400 is easier to form and weld in a general fabrication shop and is a strong choice in flowing seawater. Titanium Grade 2 is lighter and is often preferred where water can be stagnant or where weight matters. Share the conditions and we will help you compare; see Titanium Grade 2 sheet in Chennai.

Do you supply Monel 400 pipe as well as sheet to Ennore?

Yes. Seamless pipe and tube are supplied to ASTM B165 and welded pipe to B725, with sizes confirmed per enquiry from Mumbai stock. Send the outside diameter, wall or schedule, length and whether you need seamless or welded, together with any sheet or plate on the same job.

Monel 400 or K500 for a seawater pump shaft?

Use 400 when you need a formable, weldable nickel-copper alloy for sheet, plate or pipe. Use Monel K500 when the part is a shaft or another high-stress component that needs the age-hardened strength. They look similar as bar, so the grade must be clear on the order and on the certificate.

What documents come with Monel 400 sent to Ennore?

The mill's original EN 10204 3.1 test certificate comes with the supply, and heat numbers on the pieces can be checked against it. We provide direct door delivery to your company in Chennai, supplied from Mumbai stock. Email sales@ganeshmetals.com or call +91 22 6636 2372 to list the documents you need before dispatch.