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Monel K500 is one of those alloys people in heavy industry come back to when jobs start getting rough and failure is not an option. It is a nickel-copper alloy strengthened through precipitation hardening, which means it can take mechanical load and corrosion exposure at the same time without drifting in performance. In real plant conditions, components can sit for years inside saltwater circulation systems, chemical processing lines, or pressure equipment, and materials produced to ASTM B127 Alloy K-500 Sheet and ASME SB127 Nickel Alloy K500 Strip standards are usually picked because they simply hold up. Performance has to stay steady. The alloy is available in forms such as UNS N05500 Coil, WNR 2.4375 Foil, and Monel K500 Perforated Sheet so fabricators can match material to real site constraints instead of redesigning parts. As experienced Monel K500 Plate Suppliers in Mumbai, India, we keep Monel K500 Plate stock ready and support cut to size supply through online purchase options for projects that cannot wait.
Out in actual service, Monel K500 sheets, plates, and coils keep strength even when sitting in seawater zones, chemical splash areas, or low temperature operating sections where other alloys start to drift or pit over time. The alloy handles chloride exposure, acidic process flow, and alkaline environments, which is why it keeps turning up in offshore mechanical assemblies and chemical transfer systems where materials often compete for space with piping, fasteners, and rotating equipment. Site reliability always comes first. Age hardening pushes strength higher while corrosion behaviour stays stable enough for long running use inside pumps, shafts, fasteners, and pressure hardware, which helps reduce unexpected shutdowns that cost real money.
The base structure comes mainly from nickel and copper, while smaller controlled additions of iron, manganese, silicon, carbon, and sulphur help lock the grain structure and balance strength with toughness, allowing the alloy to hold tensile and yield strength even when operating temperatures climb or loading patterns shift during real service cycles. The alloy machines work reasonably well. Most workshops can handle it without major tooling changes. UNS N05500 Coil and Monel K500 Plate are regularly used where equipment is expected to run continuously without frequent maintenance stops or part replacement planning.
Monel K500 sheet supply normally follows industrial sizing like 1000 x 2000 mm, 1220 x 2440 mm, 1500 x 3000 mm, 2000 x 2000 mm, and 2000 x 4000 mm, while thickness usually sits between 0.1 mm and 12 mm depending on forming method, load demand, or structural placement inside assemblies. Supply flexibility helps project teams move faster. Material is supplied as coil, foil, roll, plain sheet, Monel K500 Perforated Sheet, or WNR 2.4375 Foil depending on fabrication route and drawing requirement. Hot rolled and cold rolled finishes are both common, and production can move next to custom cutting when drawings need non-standard dimensions.
Each batch of ASTM B127 Alloy K-500 Sheet and Monel K500 Plate moves through dimensional checks, mechanical testing, and corrosion verification before dispatch, because small production variation can create performance gaps once materials sit inside process systems for long operating cycles under load. Consistency protects plant uptime. Packaging normally uses wooden crates, wrapped protective pouches, or steel strip coil packing depending on transport route, handling method, and unloading conditions at site.
Across marine installations, processing plants, and offshore mechanical assemblies, Monel K500 keeps its place as a trusted working alloy because it delivers strength, corrosion resistance, and usable fabrication behaviour in one material platform that engineers can rely on across connected systems. Downtime hits production hard. Long service life still matters.
| Specifications |
ASTM / ASME SB 127 |
| Plate, Sheet, and Strip |
BS3072NA18 BS3073NA18 QQ-N-286 DIN 17750 ISO 6208 |
| Size | 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm |
| Thickness | 0.1 mm to 12 mm Thk |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Size (in inches) | Size (in mm) |
| .125" | 3.18 mm |
| .134" | 3.40 mm |
| .156" | 3.96 mm |
| .187" | 4.75 mm |
| .250" | 6.35 mm |
| .312" | 7.92 mm |
| .375" | 9.53 mm |
| .500" | 12.7 mm |
| .601" | 15.9 mm |
| .750" | 19.1 mm |
| .875" | 22.2 mm |
| 1" | 25.4 mm |
| 1.125" | 28.6 mm |
| 1.250" | 31.8 mm |
| 1.500" | 38.1 mm |
| 1.750" | 44.5 mm |
| 2" | 50.8 mm |
| 2.500" | 63.5 mm |
| 3" | 76.2 mm |
| Thickness | Plate Weight per Unit Area | Density |
| 3/16 inches | 0.06000 lbs/in² / 42.184176 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 1/4 inches | 0.08 lbs/in² / 56.245568 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 3/8 inches | 0.121 lbs/in² / 85.0714216 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 1/2 inches | 0.161 lbs/in² / 113.1942056 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 5/8 inches | 0.196 lbs/in² / 137.8016416 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 3/4 inches | 0.235 lbs/in² / 165.221356 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 7/8 inches | 0.274 lbs/in² / 192.6410704 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 1 inches | 0.313 lbs/in² / 220.0607848 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 1 1/4 inches | 0.391 lbs/in² / 274.9002136 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 1 1/2 inches | 0.47 lbs/in² / 330.442712 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 1 3/4 inches | 0.549 lbs/in² / 385.9852104 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 2 inches | 0.627 lbs/in² / 440.8246392 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 2 1/4 inches | 0.705 lbs/in² / 495.664068 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 2 1/2 inches | 0.784 lbs/in² / 551.2065664 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 2 3/4 inches | 0.862 lbs/in² / 606.0459952 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
| 3 inches | 0.941 lbs/in² / 661.5884936 kg/m² | 0.315 lbs/in³ / 8.72 g/cm³ |
Monel K500 Sheet
Monel K500 Perforated Sheet
Monel K500 Clad Plate
Monel K500 Cold Rolled Sheet
Monel K500 Hot Rolled Plate
Monel K500 Coil
Monel K500 Foil
Monel K500 Shim Sheet
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| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel K500 | 0.25 max | 1.5 max | 0.5 max | 0.010 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min |
| Product / Condition | Column 1 | Column 2 | Column 3 | Column 4 | Hardness / Note |
| Rod and Bar, Hot-Finished | 90-155 | 621-1069 | 40-110 | 276-758 | 75B-35C |
| Rod and Bar, Hot-Finished, Agedb | 140-190 | 965-1310 | 100-150 | 690-1034 | 27-38C |
| Rod and Bar, Hot-Finished, Annealed | 90-110 | 621-758 | 40-60 | 276-414 | 75-90B |
| Rod and Bar, Hot-Finished, Annealed and Agedb | 130-165 | 896-1138 | 85-120 | 586-827 | 24-35C |
| Rod and Bar, Cold-Drawn, As-Drawn | 100-140 | 690-965 | 70-125 | 483-862 | 88B-26C |
| Rod and Bar, Cold-Drawn, Agedb | 135-185 | 931-1276 | 95-160 | 655-1103 | 25-41C |
| Rod and Bar, Cold-Drawn, Annealed | 90-110 | 621-758 | 40-60 | 276-414 | 75-90B |
| Rod and Bar, Cold-Drawn, Annealed and Agedb | 130-190 | 896-1310 | 85-120 | 586-827 | 24-35C |
| Sheet, Cold-Rolled, Annealed | 90-105 | 621-724 | 40-65 | 276-448 | 85B max. |
| Strip, Cold-Rolled, Annealed | 90-105 | 621-724 | 40-65 | 276-448 | 85B max. |
| Strip, Cold-Rolled, Annealed and Agedb | 130-170 | 896-1172 | 90-120 | 621-827 | 24C min. |
| Spring Temper | 145-165 | 1000-1138 | 130-160 | 896-1103 | 25C min. |
| Spring Temper, Agedb | 170-220 | 1172-1517 | 130-195 | 896-1345 | 34C min. |
| Tube and Pipe, Seamless, Cold-Drawn, Annealed | 90-110 | 621-758 | 40-65 | 276-448 | 90B max. |
| Tube and Pipe, Seamless, Cold-Drawn, Annealed and Agedb | 130-180 | 896-1241 | 85-120 | 586-827 | 24-36C |
| Tube and Pipe, Seamless, Cold-Drawn, As-Drawn | 110-160 | 758-1103 | 85-140 | 586-965 | 95B-32C |
| Tube and Pipe, Seamless, Cold-Drawn, As-Drawn, Agedb | 140-220 | 965-1517 | 100-200 | 690-1379 | 27-40C |
| Plate, Hot-Finished | 90-135 | 621-931 | 40-110 | 276-758 | 75B-26C |
| Plate, Hot-Finished, Agedb | 140-180 | 965-1241 | 100-135 | 690-981 | 27-37C |
| Wire, Cold Drawnc, Annealed | 80-110 | 552-758 | 35-65 | 241-448 | - |
| Wire, Cold Drawnc, Annealed and Agedb | 120-150 | 827-1034 | 90-110 | 621-758 | - |
| Wire, Cold Drawnc, Spring Temper | 145-190 | 1000-1310 | 130-180 | 896-1241 | - |
| Wire, Cold Drawnc, Spring Temper, Agedb | 160-200 | 1103-1379 | 140-190 | 965-1310 | - |
| Property | Value |
| Density (lb/cu in) | 0.3054 |
| Density (gram/cc) | 8.434 |
| Melting Range (°F) | 2400-2460 |
| Modulus of Elasticity, Tension (10⁶ psi) | 26.0 |
| Modulus of Elasticity, Torsion (10⁶ psi) | 9.5 |
| Poisson's Ratio | 0.32 |
| Standard | Werkstoff Nr. | UNS |
| Monel K500 | 2.4375 | N05500 |
Monel K500 plates resist seawater corrosion, pitting, and stress cracking. They stay strong even when they're under a lot of stress and last longer in rough waters.
Age hardening makes small particles inside the metal. This process makes things harder and stronger without hurting their ability to resist corrosion.
Marine, oil and gas, chemical plants, aerospace, and offshore industries use these plates for high-stress parts.
There are plates in a wide range of widths and thicknesses. We provide custom sizes to fit the needs of each project.
Monel K500 plates are stronger and harder than Monel 400. Both resist corrosion well, but K500 handles higher loads.