Monel Alloy UNS N04400 Steel Pickling Plate
Width: 0.5 to 1.0 m;
Thickness: 0.1 to 5.0 mm;
Length: 0.7 to 6.0 m
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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GNEE Monel UNS N04400 Steel Pickling Plate introduce
Monel Alloy UNS N04400 Pickling Plate
Monel 400 pickled sheet is a corrosion-resistant material of nickel-copper alloy (Ni 63-70%, Cu 28-34%). After pickling, the surface is uniformly matte (Ra 0.8-3.2μm), and it shows excellent corrosion resistance in marine environment and reducing media. This alloy combines the corrosion resistance of nickel and the resistance to reducing media of copper. It has strong resistance to media such as seawater, hydrofluoric acid, and sulfuric acid, and is especially effective in resisting stress corrosion cracking caused by chlorides. The pickling process removes the surface oxide layer, significantly improving the welding quality and subsequent coating adhesion. The sheet has a tensile strength of 480-620MPa and an elongation of 35-45%, and has good hot and cold processing performance and weldability (supports TIG/MIG welding). It is mainly used in harsh corrosive environments such as shipbuilding (propellers, seawater pump shafts), chemical equipment (hydrofluoric acid storage tanks, sulfuric acid evaporators), and oil and gas (downhole tools, valve components). It is particularly suitable for working conditions that require resistance to seawater corrosion and acidic media at the same time. The operating temperature range covers -200°C to +800°C.
GNEE Alloy UNS N04400 Steel Pickling Plate Specification Sheet
Monel UNS N04400 Pickled Plate - Technical Data Sheet
| Category | Parameter | Specification/Value |
|---|---|---|
| Standard Sizes | Thickness (mm) | 0.5 - 100 (Common: 1.0, 2.0, 3.0, 5.0, 10.0, 20.0, 30.0, 50.0) |
| Width (mm) | 600 - 2000 (Standard: 1000, 1219, 1500) | |
| Length (mm) | 1000 - 6000 (Custom up to 12000mm) | |
| International Standards | ASTM/ASME | ASTM B127 (Plate), ASME SB127 |
| EN/DIN | EN 2.4360 (NiCu30Fe), DIN 17750 | |
| GB | GB/T 5235 (NCu30) | |
| Surface Finish | Pickling Grade | HRAP (Hot Rolled Annealed & Pickled), Surface Roughness Ra 0.8-3.2μm |
| Optional Treatments | Bead Blasted, Passivated | |
| Physical Properties | Density (g/cm³) | 8.80 (RT) |
| Melting Point (°C) | 1300 - 1350 | |
| Hardness (HV) | 120 - 250 (Annealed: 120-180; Cold Worked: 200+) | |
| Mechanical Properties | Tensile Strength (MPa) | 480 - 620 |
| Yield Strength (MPa) | 170 - 300 | |
| Elongation (%) | 35 - 45 (50mm gauge length) | |
| Chemical Composition | Ni (Nickel) | 63.0 - 70.0% |
| Cu (Copper) | 28.0 - 34.0% | |
| Fe (Iron) | ≤2.5% | |
| Mn (Manganese) | ≤2.0% | |
| Other Elements | Si≤0.5%, C≤0.3%, S≤0.024% | |
| Corrosion Resistance | Seawater Resistance | Excellent (Resists pitting/crevice corrosion) |
| Acid Resistance | Resistant to H₂SO₄, HCl, HF (concentration dependent) | |
| High-Temp Steam | Good (≤800°C) | |
| Typical Applications | Marine Engineering | Seawater pump shafts, propellers, subsea pipelines |
| Chemical Processing | Hydrofluoric acid tanks, sulfuric acid evaporators, distillation column internals | |
| Oil & Gas | Downhole tools, valve components, piping systems | |
| Aerospace | Fuel system components, propellant lines |
UNS N04400 Plate 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 UNS N04400 Steel Pickling Plate Schedule
Sizes of 2.4360 Plate
| Size in Inch | Size in mm |
|---|---|
| .500" | 12.7mm |
| 1" | 25.4mm |
| .875" | 22.2mm |
| .312" | 7.92mm |
| 2.500" | 63.5mm |
| .750" | 19.1mm |
| .250" | 6.35mm |
| 1.250" | 31.8mm |
| .134" | 3.40mm |
| .125" | 3.18mm |
| .187" | 4.75mm |
| 1.500" | 38.1mm |
| .375" | 9.53mm |
| .625" | 15.9mm |
| 2" | 50.8mm |
| 3" | 76.2mm |
| .156" | 3.96mm |
| 1.125" | 28.6mm |
| 1.750" | 44.5mm |
GNEE Group Factory Environment
GNEE Group Alloy UNS N04400 Pickling Plate Factory Environment
GNEE Group Monel UNS N04400 Pickling Plate Packaging
GNEE Group UNS N04400 Pickling Plate Packaging
GNEE Group Testing
GNEE Group Monel Alloy UNS N04400 Steel Pickling Plate Testing
FAQ
Is 400 alloy sheet easy to machine?
Poor machinability
What is the thickness range of Monel 400 sheet?
0.5 mm to 50.8 mm
What is the melting point of 400 nickel alloy sheet?
1300-1350°C (2372-2462°F)
Can Monel 400 sheet be hot or cold formed?
It is easily cold or hot formed using standard processes.
Is Monel 400 alloy sheet suitable for use in marine environments?
Yes, Monel 400 sheet is highly corrosion resistant in marine environments.
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