Monel Ship 400 Metal Alloy Plate
Thickness: 3mm to 150mm;
Width: 1220mm to 4200mm;
Length: 5000mm to 18000mm;
Grade: DIN 2.4360/UNS NO4400
Surface treatment: 2B/No 1/NO3/NO 4/BA;
Manufacturing process: hot rolled/cold drawn
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
GNEE Monel Ship 400 Metal Alloy Plate introduce
Monel Ship 400 Metal Alloy Plate


Monel 400 plates are a corrosion resistant material with an extremely high melting point. Hence, these plates are suitable for high temperature and highly corrosive applications. Gnee Steel is a large manufacturer and supplier of such plates. Monel 400 plates are used for feedwater and steam generator piping, refinery crude tower cladding, propeller shafts and pump shafts, heat exchangers, brine heaters, sulfuric acid and hydrofluoric acid alkylation units, and other highly corrosive and high temperature applications. The composition of ASTM B127 UNS N04400 includes 63% nickel and 28% copper, making it resistant to strong acids such as sulfuric acid. UNS N04400 plates have a high melting point of 1350 degrees Celsius, making them suitable for steam and heating elements.
GNEE Monel Ship 400 Metal Alloy Plate Specification Sheet
Monel 400 Sheets and Plates, Coils Specifications
| Grades | : | Monel 400 (UNS No. N04400) |
| Standards | : | ASTM, ASME and API |
| Specifications | : | ASTM B 127 / ASME SB 127 |
| Size | : | 15NB to 150NB In |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
| Type | : | Sheet, Plates, Coils, Flat, Strips, Profile, Blank ,Circle, Ring etc. |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
Chemical Composition Of Monel Alloy 400 Plates
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Monel 400 | 0.15 max | 1.00 max | 0.50 max | 0.015max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
GNEE Monel Ship 400 Metal Alloy Plate Schedule
Type of Monel 400 Plate Imperial size
| Surface finish | Thickness (in) | Width (in) |
|---|---|---|
| 1 – Monel 400 Hot rolled, heat treated, pickled Plate & Sheet | .1000 – .3750 | max. 72 |
| 2R – Monel 400 Cold-rolled, bright-annealed Sheet & Plate | 0.002–0.06 | 0.118–25.551 |
| 2H – Monel 400 Work hardened Plate & Sheet | 0.002–0.06 | 0.118–24.803 |
| 2B – Monel 400 Cold rolled, heat treated, pickled, skin passed Sheet & Plate | 10–24 | max. 72* |
| 2D – Monel 400 Cold rolled, heat treated, pickled Plate & Sheet | 12–24 | max. 60 |
| BA Mexinox only | 18–28 | max. 48 |
| Deco Rolled-On Mexinox only | 14–28 | max. 48 |
| Monel 400 Polished Plate & Sheet (not brushed) | 11–24 | max. 60 |
| Temper rolled Mexinox only | 13–29 | max. 48 |
GNEE Group Factory Environment
GNEE Group Monel Ship 400 Metal Alloy Plate Factory Environment

GNEE Group Monel external polishing 400 tube Packaging
GNEE Group Monel Ship 400 Metal Alloy Plate Packaging

GNEE Group Testing
GNEE Group Monel Ship 400 Metal Alloy Plate Testing

FAQ
Is Monel 400 suitable for seawater applications?
Yes, Monel 400 has excellent seawater corrosion resistance, which makes it ideal for marine heat exchangers and cooling systems.
How is 400 alloy different from other nickel alloys?
The real advantage of 400 alloy is its corrosion resistance and strength in acidic and alkaline environments. It is not only beautiful in alloy, but other pure nickel and nickel alloy compositions focus more on performance in oxidation and high temperature conditions.
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