Monel Metal 400 Alloy Polishing Plate
Dimensions : ASTM, ASME and API
Specifications : ASTM B 164, B 865, ASME SB 164, SB 865
Grade : Monel 400 (UNS No. N04400)
Size : 15"NB TO 150"NB IN
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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GNEE Monel 400 alloy polishing plate introduce
Monel metal 400 polishing plate


Monel 400 is a nickel-copper alloy (nickel alloy 400) that has good heat and corrosion resistance, as well as high strength and weldability. Due to its relatively high nickel content, Monel 400 plate is often used in seawater, saline and alkaline environments. It has a low corrosion rate in free-flowing brackish or seawater applications. In addition, Monel 400 has excellent corrosion resistance in most freshwater conditions, as well as a wide range of non-oxidizing corrosive conditions. The alloy also performs well in cryogenic applications.
Monel 400 is a binary alloy of nickel and copper (with trace amounts of iron, manganese, carbon, and silicon). The alloy has high strength, resistance to acidic and alkaline environments, good ductility, and thermal conductivity. Monel 400 is suitable for use in temperatures ranging from sub-zero to 1,000°F (538°C). It can only be hardened by cold working.
GNEE metal 400 alloy polishing plate Specification Sheet
Monel 400 Sheets, Plates & Coils Specifications
| Parameter | Description |
|---|---|
| Standard | ASTM B127 / ASME SB127, ASTM, ASME, API |
| Available Sizes | 1000 mm × 2000 mm, 1220 mm × 2440 mm, 1500 mm × 3000 mm, 2000 mm × 4000 mm (Custom sizes available) |
| Thickness Range | 1.0 mm – 200 mm |
| Standard Range | 5 mm – 50 mm thickness, 1000 mm – 1250 mm width, up to 2500 mm length |
| Production Method | Hot-Rolled (HR), Cold-Rolled (CR) |
| Available Forms | Coils, Foils, Rolls, Plain Sheets, Shim Sheets, Perforated Sheets, Chequered Plates, Strips, Flats, Blanks (Circle), Rings (Flange) |
| Material Grade | UNS N04400, DIN 2.4360 |
Monel 400 Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
GNEE 400 alloy polishing plate Schedule
Monel 400 Plate Weight Chart
| Thickness | Plate Weight per Unit Area | Density |
| 3/16 inches | 0.06000 lbs/in²42.184176 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/4 inches | 0.08 lbs/in²56.245568 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/8 inches | 0.121 lbs/in²85.0714216 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/2 inches | 0.161 lbs/in²113.1942056 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 5/8 inches | 0.196 lbs/in²137.8016416 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/4 inches | 0.235 lbs/in²165.221356 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 7/8 inches | 0.274 lbs/in²192.6410704 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 inches | 0.313 lbs/in²220.0607848 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/4 inches | 0.391 lbs/in²274.9002136 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/2 inches | 0.47 lbs/in²330.442712 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 3/4 inches | 0.549 lbs/in²385.9852104 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 inches | 0.627 lbs/in²440.8246392 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/4 inches | 0.705 lbs/in²495.664068 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/2 inches | 0.784 lbs/in²551.2065664 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 3/4 inches | 0.862 lbs/in²606.0459952 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3 inches | 0.941 lbs/in²661.5884936 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
GNEE Group Factory Environment
GNEE Group 400 polishing plate Factory Environment

GNEE Group 400 ERW tube Packaging
GNEE Group metal 400 polishing plate Packaging

GNEE Group Testing
GNEE Group Monel 400 polishing 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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