Monel 400 Plates
Monel 400 plates are flat-rolled nickel-copper alloy products manufactured from UNS N04400, also referenced as Alloy 400 or Werkstoff 2.4360. The material is composed mainly of nickel (63–70%) and copper (28–34%), with small additions of iron, manganese, and other elements. This combination gives the alloy solid mechanical strength, good ductility, and notably good resistance to corrosion in both seawater and reducing acid environments. The material holds up well in hydrofluoric acid and hot sulphuric acid conditions where many other grades would fail. Monel 400 plates are regularly used in marine hardware, chemical processing equipment, heat exchangers, oil refinery components, and water treatment systems.
Monel 400 Plates Price
Monel 400 plate prices vary depending on material specifications, order size, and prevailing commodity rates. The points below cover what typically affects the cost.
Approximate Price Range
The current Monel 400 plate price in India generally falls in the range of Rs. 2,500 to Rs. 3,500 per kg for standard stock in common thicknesses. Prices outside this range are possible depending on surface finish, thickness, and order volume.
Factors Affecting Price
The alloy's high nickel and copper content make it considerably more expensive than standard stainless steel grades. Both nickel and copper are commodity metals with fluctuating global prices, so the Monel 400 plate price per kg can shift across quarters. Thickness is a factor too; heavier plates may carry a different per-kg rate compared to thinner gauges. Order quantities, surface condition requirements, required certifications, freight charges, and whether material is sourced from domestic processors or overseas mills all affect the final procurement cost. Additional testing, such as third-party inspection, when required by the end-use specification, also adds to the overall cost.
Monel 400 Plates Standards
Monel 400 plates are available under several international designation systems. The following standards reference the same base material:
- Monel DIN 2.4360 Plates
- Monel UNS N04400 Plates
Chemical Composition of Monel 400 Plates
The table below lists the elemental composition of Monel 400 plates as per standard specifications. All values are in weight per cent (wt.%).
|
Element |
Minimum (%) |
Maximum (%) |
Typical (%) |
|
Nickel (Ni) |
63.0 |
70.0 |
66.0–67.0 |
|
Copper (Cu) |
28.0 |
34.0 |
28.0–31.0 |
|
Iron (Fe) |
— |
2.50 |
1.0–2.5 |
|
Manganese (Mn) |
— |
2.00 |
≤1.0 |
|
Silicon (Si) |
— |
0.50 |
≤0.5 |
|
Carbon (C) |
— |
0.30 |
≤0.3 |
|
Sulfur (S) |
— |
0.024 |
≤0.024 |
|
Cobalt (Co) |
— |
2.0 |
≤1.0 |
|
Aluminum (Al) |
— |
0.50 |
— |
|
Nickel + Cobalt (Ni + Co) |
63.0 |
70.0 |
63.0–70.0 |
Mechanical Properties of Monel 400 Plates
The following values apply to Monel 400 plates across various conditions. Actual mill certificate values may differ slightly within these ranges depending on product form and processing batch.
|
Property |
Metric Value |
Imperial Value |
|
Tensile Strength (Annealed) |
517–620 MPa |
75–90 ksi |
|
Tensile Strength (Hot-Rolled, Annealed) |
485 MPa (min) |
70 ksi (min) |
|
Tensile Strength (Hot-Rolled, As-Rolled) |
515 MPa (min) |
75 ksi (min) |
|
Tensile Strength (Hard Condition) |
690 MPa |
100 ksi |
|
Yield Strength (0.2% Offset, Annealed) |
195 MPa (min) |
28 ksi (min) |
|
Yield Strength (0.2% Offset, General) |
240 MPa |
35,000 psi |
|
Yield Strength (Hard Condition) |
620 MPa |
90 ksi |
|
Elongation (Annealed) |
35% (min. in 2") |
35% (min. in 2") |
|
Elongation (As-Rolled) |
25% (minimum in 2") |
25% (minimum in 2") |
|
Elongation (General) |
40% |
40% |
|
Elongation (Cold Worked) |
20% (min) |
20% (min) |
|
Elongation (Hot Worked) |
30% (min) |
30% (min) |
|
Modulus of Elasticity (Young's Modulus) |
179 GPa |
26,000 ksi |
|
Poisson's Ratio |
0.32 |
0.32 |
|
Rockwell Hardness (Quarter-Hard) |
73–83 HRB |
73–83 HRB |
|
Rockwell Hardness (Half-Hard) |
82–90 HRB |
82–90 HRB |
|
Rockwell Hardness (Hard) |
≥98 HRB |
≥98 HRB |
|
Rockwell Hardness (Annealed) |
76 HRB (max) |
76 HRB (max) |
Physical Properties of Monel 400 Plates
Physical property data for Monel 400 plates in the standard condition is listed below. These are typical values and may vary slightly by form and processing.
|
Property |
Metric Value |
Imperial Value |
|
Density |
8.80 g/cm³ |
0.318 lb/in³ |
|
Melting Point |
1,350–1,400°C |
2,462–2,552°F |
|
Thermal Conductivity |
21.8 W/m·K |
151.6 BTU·in/ft²·h·°F |
|
Specific Heat Capacity |
0.427 J/g·°C |
0.102 BTU/lb·°F |
|
Electrical Resistivity |
0.051 Ω·mm²/m (0.78 µΩ·m) |
0.49 µΩ·m |
|
Elastic Modulus (Young's Modulus) |
179 GPa |
26,000 ksi |
|
Poisson's Ratio |
0.32 |
0.32 |
|
Coefficient of Thermal Expansion |
13.9 µm/m·°C (20–100°C) |
7.7 µin/in·°F |
|
Magnetic Property |
Slightly magnetic at room temperature |
Slightly magnetic at room temperature |
|
Operating Temperature Range |
Cryogenic to 480°C (538°C maximum) |
Subzero to 1,000°F (1,032°F maximum) |
Monel 400 Plates Specifications
The table below covers the key specifications applicable to Monel 400 plates, including dimensional ranges, surface conditions, and material requirements.
|
Specification Category |
Details for Monel 400 Plates |
|
Material Grade |
Monel 400 (UNS N04400, Alloy 400, DIN 2.4360) |
|
Standards |
ASTM B127 / ASME SB127 |
|
Chemical Composition |
Nickel: 63–67%, Copper: 28–31%, Iron: ≤2.5%, Manganese: ≤1.0%, Carbon: ≤0.3%, Silicon: ≤0.5%, Sulfur: ≤0.025% |
|
Thickness Range |
0.3 mm – 100 mm (plates typically 3.0–100 mm; sheets 0.4–6.0 mm) |
|
Width Range |
1000 mm – 3500 mm (common: 1000–2000 mm; up to 240"/6096 mm available) |
|
Length Range |
2000 mm – 6000 mm (common: 200–6000 mm; up to 144"/3658 mm or longer on request) |
|
Surface Finishes |
2B, 2D, 2E, 2R, 2H, Polished/Brushed |
|
Tensile Strength |
550 MPa (80,000 psi) minimum |
|
Yield Strength (0.2% Offset) |
240 MPa (35,000 psi) minimum |
|
Elongation |
≥40% |
|
Hardness |
~80–95 HRB (annealed) |
|
Density |
8.8 g/cm³ |
|
Melting Point |
1350°C (2460°F) |
|
Thermal Conductivity |
~21 W/m·K at 20°C |
|
Electrical Resistivity |
~0.49 μΩ·m (49 μΩ·cm) |
|
Operating Temperature Range |
Cryogenic to 1000°F (538°C) |
|
Corrosion Resistance |
Excellent against seawater, steam, hydrochloric/hydrofluoric acids (de-aerated); vulnerable to nitric acid and ammonia |
|
Magnetic Property |
Magnetic at room temperature |
|
Available Hardness Conditions |
Soft, Quarter Hard, Half Hard, Hard, Spring Hard |
|
Stocked Thickness Sizes |
0.125"/3.18mm to 3"/76.2mm (common sizes: 0.25"–2") |
Size Chart of Monel 400 Plates
The size chart below lists the available thicknesses and typical dimensional ranges for standard Monel 400 plate stock. Sizes outside this range may be available on request from suppliers.
|
Thickness (in) |
Thickness (mm) |
Typical Widths (mm) |
Typical Lengths (mm) |
Common Stock Metric Sizes (mm) |
|
0.125 |
3.18 |
1000, 1219, 1220, 1500, 2000 |
2000, 2440, 2500, 3000, 4000, 6000 |
1000×2000; 1220×2440; 1500×3000; 2000×4000 |
|
0.134 |
3.40 |
1000, 1219, 1500, 2000 |
2000–6000 |
Often treated as a sheet, but in the same listing. |
|
0.156 |
3.96 |
1000, 1219, 1500, 2000 |
2000–6000 |
Standard hot-rolled step. |
|
0.187 |
4.75 |
1000, 1219, 1500, 2000 |
2000–6000 |
Matches 3/16" plate definition. |
|
0.250 (1/4") |
6.35 |
1000, 1219, 1220, 1500, 2000 |
2000, 3000, 4000, 6000 |
Very common Monel 400 plate thickness. |
|
0.312 |
7.92 |
1000, 1219, 1500, 2000 |
2000–6000 |
5/16" equivalent. |
|
0.375 (3/8") |
9.53 |
1000, 1219, 1500, 2000 |
2000–6000 |
Standard plate step. |
|
0.500 (1/2") |
12.70 |
1000, 1219, 1500, 2000 |
2000–6000 |
Common for heavy service. |
|
0.600 |
15.90 |
1000–2000 |
2000–6000 |
Often shown as a 16 mm class. |
|
0.625 |
15.88 |
1000–2000 |
2000–6000 |
5/8" plate. |
|
0.750 (3/4") |
19.10 |
1000–2000 |
2000–6000 |
3/4" plate. |
|
0.875 |
22.20 |
1000–2000 |
2000–6000 |
A 7/8" step is listed in many charts. |
|
1.000 |
25.40 |
1000–2000 (sometimes up to 2500) |
3000–6000 |
1" plate; heavy plate category. |
|
1.125 |
28.60 |
1000–2000 |
3000–6000 |
Heavier thickness, often mill-order. |
|
1.250 |
31.80 |
1000–2000 |
3000–6000 |
1¼" plate. |
|
1.500 |
38.10 |
1000–2000 |
3000–6000 |
1½" plate. |
|
1.750 |
44.50 |
1000–2000 |
3000–6000 |
1¾" plate. |
|
2.000 |
50.80 |
1000–2000 (up to 2500) |
3000–6000 |
2" plate; usually special order. |
|
2.500 |
63.50 |
1000–2000 |
3000–6000 |
2½" plate. |
|
3.000 |
76.20 |
1000–2000 |
3000–6000 |
3" plate; heavy-plate service. |
Dimensions & Weights Chart of Monel 400 Plates
The chart below gives weight per unit area for standard Monel 400 plate thicknesses, calculated based on a density of 8.80 g/cm³.
|
Thickness (in) |
Thickness (mm) |
Weight (lb/ft²) |
Weight (kg/m²) |
|
0.060 |
1.52 |
0.0600 |
42.18 |
|
0.075 |
1.90 |
0.0750 |
52.73 |
|
0.100 |
2.54 |
0.1000 |
70.40 |
|
0.125 (1/8") |
3.18 |
0.1250 |
88.00 |
|
0.134 |
3.40 |
0.1340 |
94.34 |
|
0.156 |
3.96 |
0.1560 |
110.03 |
|
0.187 |
4.75 |
0.1870 |
131.65 |
|
0.250 (1/4") |
6.35 |
0.2500 |
176.00 |
|
0.312 |
7.92 |
0.3130 |
220.06 |
|
0.375 (3/8") |
9.53 |
0.3750 |
264.00 |
|
0.500 (1/2") |
12.70 |
0.5000 |
352.00 |
|
0.625 |
15.88 |
0.6250 |
440.00 |
|
0.750 (3/4") |
19.05 |
0.7500 |
528.00 |
|
1.000 |
25.40 |
1.0000 |
704.00 |
|
1.250 |
31.75 |
1.2500 |
880.00 |
|
1.500 |
38.10 |
1.5000 |
1056.0 |
|
2.000 |
50.80 |
2.0000 |
1408.0 |
Advantages of Monel 400 Plates
Monel 400 plates carry a combination of properties that make them useful across a range of demanding service environments. The key advantages are listed below.
- Superior Corrosion Resistance
- High Strength and Toughness
- Resistance to Stress Corrosion Cracking
- Excellent Thermal Conductivity
- Fabrication Versatility
- Low Magnetic Permeability
- Resistance to Erosion and Cavitation
Industrial Applications of Monel 400 Plates
These plates are used across a range of process and structural applications. The following sectors regularly specify Monel 400 plates for fabrication and equipment manufacture:
- Marine Engineering
- Chemical Processing
- Petroleum Refining
- Power Generation
- Water Treatment
- Oil and Gas Production
- Nuclear Industry
- Industrial Manufacturing
- Aerospace
- Electrical Equipment
- Food Processing
How To Choose The Right Monel 400 Plates Supplier and Manufacturer?
Sourcing Monel 400 plates from the right supplier takes more than comparing prices. A few practical checks are worth doing before any procurement decision is finalised.
Selecting The Right Supplier and Manufacturer
Start by confirming the supplier can provide material to ASTM B127 or ASME SB127 with valid mill test certificates. Not all distributors stock genuine Monel 400; it is worth asking for chemical analysis reports traceable to UNS N04400. Manufacturers with an established track record in supplying process and marine industries are generally more consistent in quality and documentation.
Technical Considerations
Check the available thickness and width ranges of Monel 400 plates before placing an order based on the project specifications. For certain applications, plates are required in specific dimensions or with a specific surface finish. If a custom size is required, ensure that the supplier maintains it in-house, as relying on third-party processors can cause delays and handling that can impact surface condition.
Evaluating Supplier Credibility
Inquire if the supplier will be able to issue mill test certificates with heat and lot numbers that could be traced back to the original batch. Ensure the supplier has ISO 9001 certification. It is also important to find out if the supplier holds material or if it is just a trading business. The supplier that stocks the parts can respond to a much smaller order size and handle it with less lead time.
Procurement Strategy
For high-volume or repeat requirements, a rate contract arrangement can help stabilise costs and secure a reliable material supply. For smaller or project-based purchases, compare Monel 400 plate prices from at least two or three suppliers. Always account for freight charges, certification costs, and delivery lead time when budgeting, in addition to the base price per kg.
Monel 400 plates are flat-rolled nickel-copper alloy products manufactured from UNS N04400, also referenced as Alloy 400 or Werkstoff 2.4360. The material is composed mainly of nickel (63–70%) and copper (28–34%), with small additions of iron, manganese, and other elements. This combination gives the alloy solid mechanical strength, good ductility, and notably good resistance to corrosion in both seawater and reducing acid environments. The material holds up well in hydrofluoric acid and hot sulphuric acid conditions where many other grades would fail. Monel 400 plates are regularly used in marine hardware, chemical processing equipment, heat exchangers, oil refinery components, and water treatment systems.
Monel 400 Plates Price
Monel 400 plate prices vary depending on material specifications, order size, and prevailing commodity rates. The points below cover what typically affects the cost.
Approximate Price Range
The current Monel 400 plate price in India generally falls in the range of Rs. 2,500 to Rs. 3,500 per kg for standard stock in common thicknesses. Prices outside this range are possible depending on surface finish, thickness, and order volume.
Factors Affecting Price
The alloy's high nickel and copper content make it considerably more expensive than standard stainless steel grades. Both nickel and copper are commodity metals with fluctuating global prices, so the Monel 400 plate price per kg can shift across quarters. Thickness is a factor too; heavier plates may carry a different per-kg rate compared to thinner gauges. Order quantities, surface condition requirements, required certifications, freight charges, and whether material is sourced from domestic processors or overseas mills all affect the final procurement cost. Additional testing, such as third-party inspection, when required by the end-use specification, also adds to the overall cost.
Monel 400 Plates Standards
Monel 400 plates are available under several international designation systems. The following standards reference the same base material:
- Monel DIN 2.4360 Plates
- Monel UNS N04400 Plates
Chemical Composition of Monel 400 Plates
The table below lists the elemental composition of Monel 400 plates as per standard specifications. All values are in weight per cent (wt.%).
|
Element |
Minimum (%) |
Maximum (%) |
Typical (%) |
|
Nickel (Ni) |
63.0 |
70.0 |
66.0–67.0 |
|
Copper (Cu) |
28.0 |
34.0 |
28.0–31.0 |
|
Iron (Fe) |
— |
2.50 |
1.0–2.5 |
|
Manganese (Mn) |
— |
2.00 |
≤1.0 |
|
Silicon (Si) |
— |
0.50 |
≤0.5 |
|
Carbon (C) |
— |
0.30 |
≤0.3 |
|
Sulfur (S) |
— |
0.024 |
≤0.024 |
|
Cobalt (Co) |
— |
2.0 |
≤1.0 |
|
Aluminum (Al) |
— |
0.50 |
— |
|
Nickel + Cobalt (Ni + Co) |
63.0 |
70.0 |
63.0–70.0 |
Mechanical Properties of Monel 400 Plates
The following values apply to Monel 400 plates across various conditions. Actual mill certificate values may differ slightly within these ranges depending on product form and processing batch.
|
Property |
Metric Value |
Imperial Value |
|
Tensile Strength (Annealed) |
517–620 MPa |
75–90 ksi |
|
Tensile Strength (Hot-Rolled, Annealed) |
485 MPa (min) |
70 ksi (min) |
|
Tensile Strength (Hot-Rolled, As-Rolled) |
515 MPa (min) |
75 ksi (min) |
|
Tensile Strength (Hard Condition) |
690 MPa |
100 ksi |
|
Yield Strength (0.2% Offset, Annealed) |
195 MPa (min) |
28 ksi (min) |
|
Yield Strength (0.2% Offset, General) |
240 MPa |
35,000 psi |
|
Yield Strength (Hard Condition) |
620 MPa |
90 ksi |
|
Elongation (Annealed) |
35% (min. in 2") |
35% (min. in 2") |
|
Elongation (As-Rolled) |
25% (minimum in 2") |
25% (minimum in 2") |
|
Elongation (General) |
40% |
40% |
|
Elongation (Cold Worked) |
20% (min) |
20% (min) |
|
Elongation (Hot Worked) |
30% (min) |
30% (min) |
|
Modulus of Elasticity (Young's Modulus) |
179 GPa |
26,000 ksi |
|
Poisson's Ratio |
0.32 |
0.32 |
|
Rockwell Hardness (Quarter-Hard) |
73–83 HRB |
73–83 HRB |
|
Rockwell Hardness (Half-Hard) |
82–90 HRB |
82–90 HRB |
|
Rockwell Hardness (Hard) |
≥98 HRB |
≥98 HRB |
|
Rockwell Hardness (Annealed) |
76 HRB (max) |
76 HRB (max) |
Physical Properties of Monel 400 Plates
Physical property data for Monel 400 plates in the standard condition is listed below. These are typical values and may vary slightly by form and processing.
|
Property |
Metric Value |
Imperial Value |
|
Density |
8.80 g/cm³ |
0.318 lb/in³ |
|
Melting Point |
1,350–1,400°C |
2,462–2,552°F |
|
Thermal Conductivity |
21.8 W/m·K |
151.6 BTU·in/ft²·h·°F |
|
Specific Heat Capacity |
0.427 J/g·°C |
0.102 BTU/lb·°F |
|
Electrical Resistivity |
0.051 Ω·mm²/m (0.78 µΩ·m) |
0.49 µΩ·m |
|
Elastic Modulus (Young's Modulus) |
179 GPa |
26,000 ksi |
|
Poisson's Ratio |
0.32 |
0.32 |
|
Coefficient of Thermal Expansion |
13.9 µm/m·°C (20–100°C) |
7.7 µin/in·°F |
|
Magnetic Property |
Slightly magnetic at room temperature |
Slightly magnetic at room temperature |
|
Operating Temperature Range |
Cryogenic to 480°C (538°C maximum) |
Subzero to 1,000°F (1,032°F maximum) |
Monel 400 Plates Specifications
The table below covers the key specifications applicable to Monel 400 plates, including dimensional ranges, surface conditions, and material requirements.
|
Specification Category |
Details for Monel 400 Plates |
|
Material Grade |
Monel 400 (UNS N04400, Alloy 400, DIN 2.4360) |
|
Standards |
ASTM B127 / ASME SB127 |
|
Chemical Composition |
Nickel: 63–67%, Copper: 28–31%, Iron: ≤2.5%, Manganese: ≤1.0%, Carbon: ≤0.3%, Silicon: ≤0.5%, Sulfur: ≤0.025% |
|
Thickness Range |
0.3 mm – 100 mm (plates typically 3.0–100 mm; sheets 0.4–6.0 mm) |
|
Width Range |
1000 mm – 3500 mm (common: 1000–2000 mm; up to 240"/6096 mm available) |
|
Length Range |
2000 mm – 6000 mm (common: 200–6000 mm; up to 144"/3658 mm or longer on request) |
|
Surface Finishes |
2B, 2D, 2E, 2R, 2H, Polished/Brushed |
|
Tensile Strength |
550 MPa (80,000 psi) minimum |
|
Yield Strength (0.2% Offset) |
240 MPa (35,000 psi) minimum |
|
Elongation |
≥40% |
|
Hardness |
~80–95 HRB (annealed) |
|
Density |
8.8 g/cm³ |
|
Melting Point |
1350°C (2460°F) |
|
Thermal Conductivity |
~21 W/m·K at 20°C |
|
Electrical Resistivity |
~0.49 μΩ·m (49 μΩ·cm) |
|
Operating Temperature Range |
Cryogenic to 1000°F (538°C) |
|
Corrosion Resistance |
Excellent against seawater, steam, hydrochloric/hydrofluoric acids (de-aerated); vulnerable to nitric acid and ammonia |
|
Magnetic Property |
Magnetic at room temperature |
|
Available Hardness Conditions |
Soft, Quarter Hard, Half Hard, Hard, Spring Hard |
|
Stocked Thickness Sizes |
0.125"/3.18mm to 3"/76.2mm (common sizes: 0.25"–2") |
Size Chart of Monel 400 Plates
The size chart below lists the available thicknesses and typical dimensional ranges for standard Monel 400 plate stock. Sizes outside this range may be available on request from suppliers.
|
Thickness (in) |
Thickness (mm) |
Typical Widths (mm) |
Typical Lengths (mm) |
Common Stock Metric Sizes (mm) |
|
0.125 |
3.18 |
1000, 1219, 1220, 1500, 2000 |
2000, 2440, 2500, 3000, 4000, 6000 |
1000×2000; 1220×2440; 1500×3000; 2000×4000 |
|
0.134 |
3.40 |
1000, 1219, 1500, 2000 |
2000–6000 |
Often treated as a sheet, but in the same listing. |
|
0.156 |
3.96 |
1000, 1219, 1500, 2000 |
2000–6000 |
Standard hot-rolled step. |
|
0.187 |
4.75 |
1000, 1219, 1500, 2000 |
2000–6000 |
Matches 3/16" plate definition. |
|
0.250 (1/4") |
6.35 |
1000, 1219, 1220, 1500, 2000 |
2000, 3000, 4000, 6000 |
Very common Monel 400 plate thickness. |
|
0.312 |
7.92 |
1000, 1219, 1500, 2000 |
2000–6000 |
5/16" equivalent. |
|
0.375 (3/8") |
9.53 |
1000, 1219, 1500, 2000 |
2000–6000 |
Standard plate step. |
|
0.500 (1/2") |
12.70 |
1000, 1219, 1500, 2000 |
2000–6000 |
Common for heavy service. |
|
0.600 |
15.90 |
1000–2000 |
2000–6000 |
Often shown as a 16 mm class. |
|
0.625 |
15.88 |
1000–2000 |
2000–6000 |
5/8" plate. |
|
0.750 (3/4") |
19.10 |
1000–2000 |
2000–6000 |
3/4" plate. |
|
0.875 |
22.20 |
1000–2000 |
2000–6000 |
A 7/8" step is listed in many charts. |
|
1.000 |
25.40 |
1000–2000 (sometimes up to 2500) |
3000–6000 |
1" plate; heavy plate category. |
|
1.125 |
28.60 |
1000–2000 |
3000–6000 |
Heavier thickness, often mill-order. |
|
1.250 |
31.80 |
1000–2000 |
3000–6000 |
1¼" plate. |
|
1.500 |
38.10 |
1000–2000 |
3000–6000 |
1½" plate. |
|
1.750 |
44.50 |
1000–2000 |
3000–6000 |
1¾" plate. |
|
2.000 |
50.80 |
1000–2000 (up to 2500) |
3000–6000 |
2" plate; usually special order. |
|
2.500 |
63.50 |
1000–2000 |
3000–6000 |
2½" plate. |
|
3.000 |
76.20 |
1000–2000 |
3000–6000 |
3" plate; heavy-plate service. |
Dimensions & Weights Chart of Monel 400 Plates
The chart below gives weight per unit area for standard Monel 400 plate thicknesses, calculated based on a density of 8.80 g/cm³.
|
Thickness (in) |
Thickness (mm) |
Weight (lb/ft²) |
Weight (kg/m²) |
|
0.060 |
1.52 |
0.0600 |
42.18 |
|
0.075 |
1.90 |
0.0750 |
52.73 |
|
0.100 |
2.54 |
0.1000 |
70.40 |
|
0.125 (1/8") |
3.18 |
0.1250 |
88.00 |
|
0.134 |
3.40 |
0.1340 |
94.34 |
|
0.156 |
3.96 |
0.1560 |
110.03 |
|
0.187 |
4.75 |
0.1870 |
131.65 |
|
0.250 (1/4") |
6.35 |
0.2500 |
176.00 |
|
0.312 |
7.92 |
0.3130 |
220.06 |
|
0.375 (3/8") |
9.53 |
0.3750 |
264.00 |
|
0.500 (1/2") |
12.70 |
0.5000 |
352.00 |
|
0.625 |
15.88 |
0.6250 |
440.00 |
|
0.750 (3/4") |
19.05 |
0.7500 |
528.00 |
|
1.000 |
25.40 |
1.0000 |
704.00 |
|
1.250 |
31.75 |
1.2500 |
880.00 |
|
1.500 |
38.10 |
1.5000 |
1056.0 |
|
2.000 |
50.80 |
2.0000 |
1408.0 |
Advantages of Monel 400 Plates
Monel 400 plates carry a combination of properties that make them useful across a range of demanding service environments. The key advantages are listed below.
- Superior Corrosion Resistance
- High Strength and Toughness
- Resistance to Stress Corrosion Cracking
- Excellent Thermal Conductivity
- Fabrication Versatility
- Low Magnetic Permeability
- Resistance to Erosion and Cavitation
Industrial Applications of Monel 400 Plates
These plates are used across a range of process and structural applications. The following sectors regularly specify Monel 400 plates for fabrication and equipment manufacture:
- Marine Engineering
- Chemical Processing
- Petroleum Refining
- Power Generation
- Water Treatment
- Oil and Gas Production
- Nuclear Industry
- Industrial Manufacturing
- Aerospace
- Electrical Equipment
- Food Processing
How To Choose The Right Monel 400 Plates Supplier and Manufacturer?
Sourcing Monel 400 plates from the right supplier takes more than comparing prices. A few practical checks are worth doing before any procurement decision is finalised.
Selecting The Right Supplier and Manufacturer
Start by confirming the supplier can provide material to ASTM B127 or ASME SB127 with valid mill test certificates. Not all distributors stock genuine Monel 400; it is worth asking for chemical analysis reports traceable to UNS N04400. Manufacturers with an established track record in supplying process and marine industries are generally more consistent in quality and documentation.
Technical Considerations
Check the available thickness and width ranges of Monel 400 plates before placing an order based on the project specifications. For certain applications, plates are required in specific dimensions or with a specific surface finish. If a custom size is required, ensure that the supplier maintains it in-house, as relying on third-party processors can cause delays and handling that can impact surface condition.
Evaluating Supplier Credibility
Inquire if the supplier will be able to issue mill test certificates with heat and lot numbers that could be traced back to the original batch. Ensure the supplier has ISO 9001 certification. It is also important to find out if the supplier holds material or if it is just a trading business. The supplier that stocks the parts can respond to a much smaller order size and handle it with less lead time.
Procurement Strategy
For high-volume or repeat requirements, a rate contract arrangement can help stabilise costs and secure a reliable material supply. For smaller or project-based purchases, compare Monel 400 plate prices from at least two or three suppliers. Always account for freight charges, certification costs, and delivery lead time when budgeting, in addition to the base price per kg.
Monel 400 Plates Suppliers
Monel 400 Plates FAQ's
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