Hardness testing to ISO 6508-1
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Monel fasteners are high-performance components made from nickel-copper alloys, mainly Monel 400 and Monel K500, known for their excellent resistance to corrosion in demanding environments. These fasteners play a critical role in the marine, chemical processing, and oil & gas industries, where durability in aggressive conditions is essential. Whether it's Monel 400 bolts for saltwater systems or Monel K500 nuts in high-pressure offshore rigs, they are trusted for their superior strength and longevity. Vision Alloys stands out as a trusted Monel fasteners supplier and stockist in India, offering a vast inventory and global export services to the USA, Europe, and beyond. Choose from a complete range of corrosion-resistant nickel fasteners built to perform under pressure.
At Vision Alloys, we supply two key grades of Monel: Monel 400 and Monel K500. Monel 400 fasteners are composed mainly of nickel (≈67%) and copper, offering superb corrosion resistance in seawater and acidic environments. For applications demanding extra strength, Monel K500—enhanced with aluminum and titanium—delivers higher tensile strength and hardness while maintaining excellent corrosion resistance. These nickel-copper alloy fasteners can handle high temperatures, pressure, and extreme marine conditions without deformation or failure. The Monel K500 mechanical strength also makes it ideal for demanding structural joints. These grades are tailored to meet the technical demands of modern industries with lasting durability.
All Monel fixings are available in custom sizes, threads (UNC, UNF, Metric), and surface finishes. Whether you're seeking custom Monel threaded components, durable Monel fittings, or ready-to-install Monel components, Vision Alloys can supply as per your project needs—bulk or small batch.
Monel fasteners are widely used across industries that demand corrosion resistance and mechanical strength. In marine engineering, they serve in shipbuilding, seawater pipelines, and propeller shafts. Monel nuts in desalination plants resist brine corrosion, while Monel bolts in chemical tanks withstand acids and caustic solutions. The non-magnetic, high-strength properties of Monel fasteners are vital in applications ranging from chemical processing units to offshore rigs, nuclear reactors, and aerospace systems. These marine-grade Monel fasteners maintain structural integrity in extreme environments, making them a preferred choice for engineers across continents.
Vision Alloys is a certified Monel fasteners exporter in India, offering global We have ready stock, ISO-compliant materials, and fast turnaround times for clients. We support custom dimensions, provide third-party inspections (TPIs), and ensure on-time delivery to the USA, Europe, and other regions. Our competitive advantage stems from our unwavering dedication to quality, competitive pricing, and comprehensive technical support. As a certified Monel fasteners stockist, We invite bulk inquiries, custom orders, and requests for technical datasheets. Partner with us for reliable service, competitive pricing, and top-grade custom Monel fastener supplier support.
Our Monel fasteners meet global quality standards, including ASTM B164, B865, and ASME Monel fasteners specifications. We perform stringent testing such as PMI (Positive Material Identification), hardness testing, and ultrasonic testing (UT) to guarantee quality. Each batch comes with MTC (Material Test Certificates), heat numbers, and traceability details. Export packaging includes a fumigated wooden crate. Export packaging includes fumigated wooden crates that are properly labeled to ensure secure and compliant international shipping. For buyers seeking ASTM certified Monel fasteners and export-ready fastener packaging, Vision Alloys delivers peace of mind with every order.
| Material | Monel Alloy Fasteners |
| Monel Fasteners ASTM / ANSI | ASTM B865-04 / ASME SB865-04, ASTM B467 / ASME SB467 |
|---|---|
| Grades of Monel Fasteners | Alloy 400 Fasteners Alloy K500 Fasteners |
| Size of Monel Fasteners | M02 to M160 |
| Length of Monel Fasteners | 3 mm to 200 mm |
| Monel Fasteners Threads: | BSW, UNC, BSF, UNF METRIC, or as required |
| M3, M14, M2.5, M2, M12, M5, M6, M4, M20, M16, M30, M24, M36, M8, M10 etc. | |
| Monel Fasteners Standard: | JIS, ASTM,BS, GB, DIN, IS, ISO ANSI – American National Standards Institute
DIN: DIN 931, DIN 970, 934 DIN DIN 933 UTS – Unified Thread Standard: NPTF, UNS, NPT, UNF, UNC, UNEF ISO – International Organization for Standardization: ISO 4033 , ISO 4032, JIS standards |
| Widely Use Monel Bolts Types | Monel Hex Head Bolt, Hex Bolt, Square Bolt, Eye Bolt, T Bolt, U Bolt, Lag Bolt, Counter sunk Bolt, etc. |
| Widely Use Monel Nut Types | Monel Coupling Nut, Hex Head Nut, Wing Nut, Square Nut, Panel Nut, T Nut, Acorn Nuts, Dome Nut, Eye Nut, Lock Nut, etc. |
| Widely Use Monel Screw Types | Monel Threaded Screw, Hex Head Screw, Socket Head Screw, Socket Set Screw, Blind Rivet, Concrete Screw, Shoulder Screw, Anchor Screw, Panel Screw, Machine Screw, etc. |
| Widely Use Monel Washer Types | Monel Lock Washer, Machine Washers, Star Washers, Sealing Washer, Split Washer, etc. |
| Widely Use Monel Studs Types | Monel Double Ended Studs, Threaded Tod, Tie Bars, Tie Rods. |
| Scope of Manufacture |
|
| Monel Fasteners In Form of: | Square, Round, Threading as per Gauge, Round Etc. |
| Test Certificate of Monel Bolting : | EN 10204 / 3.1 |
| Finishing of Monel Fasteners: | Zinc (yellow, white, blue, black), black
oxide, Dacroment, Geometry, nickel-plated, anodizing, plated zinc-nickel, Stainless steel: Passivated Bright Zinc Plated (BZP), Self-Colour, Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, Mechanically Applied coating, and some special one like DACROMET |
| Monel Fasteners Production process | hot forging M24-M100, M2-M24: Cold Froging for Customized connecting element machining and CNC |
| Monel bolts Head drive: | Six-Lobe, Phillips/Slot, Slotted, Phillips, etc |
| Origin and service-region: | European Origin of are Western European. However, projects with eastern origin are possible on request. |
| Surface Coating of Monel Fasteners materials: |
|
| Top Manufacturers of Fasteners | SPAX® Screws, EBY Fastener, Sundaram Kundan, GKW, Infasco, Precision, APL, Unbrako, Etc. |
| Packing of Monel Fasteners: | In Bulk: pallet, Canton, Small Carton / Boxes / Pallet, or customer request |
| Specialized manufacturer of | Monel High Tensile Fasteners, Bolts |
| Monel Fasteners Test Certificates |
|
| Element | Content (%) |
| Nickel, Ni | 63.00 min |
| Silicon, Si | 0.5 max |
| Carbon, C | 0.3 max |
| Sulfur, S | 0.024 |
| Copper, Cu | 28-34 |
| Iron, Fe | 2.5 max |
| Manganese, Mn | 2 max |
| Properties | Metric | Imperial |
| Tensile strength(annealed) | 517-620 MPa | 75-90 ksi |
| Yield strength | 172-345 MPa | 25-50 ksi |
| Modulus of elasticity | 179 GPA | 26000 ksi |
| Poisson’s ratio | 0.32 | 0.32 |
| UNS | ASTM | EURO | ALLOY |
| N04400 | F467 | 2.4360 | 400 |
| N05500 | B865-04 | 2.4375 | K500 |
| HEX CAP SCREW DIMENSIONS | |||||||
| Bolt Size | A | B | C (min) | D | F Thread Length for Screw Lengths |
||
| max | min | 6" and shorter |
over 6" | ||||
| 1/4" | 0.2500 | 0.2450 | 7/16 | 0.488 | 5/32 | 0.750 | 1.000 |
| 5/16" | 0.3125 | 0.3065 | 1/2 | 0.557 | 13/64 | 0.875 | 1.125 |
| 3/8" | 0.3750 | 0.3690 | 9/16 | 0.628 | 15/64 | 1.000 | 1.250 |
| 7/16" | 0.4375 | 0.4305 | 5/8 | 0.698 | 9/32 | 1.125 | 1.375 |
| 1/2" | 0.5000 | 0.4930 | 3/4 | 0.840 | 5/16 | 1.250 | 1.500 |
| 9/16" | 0.5625 | 0.5545 | 13/16 | 0.910 | 23/64 | 1.375 | 1.625 |
| 5/8" | 0.6250 | 0.6170 | 15/16 | 1.051 | 25/64 | 1.500 | 1.750 |
| 3/4" | 0.7500 | 0.7410 | 1-1/8 | 1.254 | 15/32 | 1.750 | 2.000 |
| 7/8" | 0.8750 | 0.8660 | 1-5/16 | 1.465 | 35/64 | 2.000 | 2.250 |
| 1" | 1.0000 | 0.9900 | 1-1/2 | 1.675 | 39/64 | 2.250 | 2.500 |
| 1-1/8" | 1.1250 | 1.1140 | 1-11/16 | 1.859 | 11/16 | 2.500 | 2.750 |
| 1-1/4" | 1.2500 | 1.2390 | 1-7/8 | 2.066 | 25/32 | 2.750 | 3.000 |
| 1-3/8" | 1.3750 | 1.3630 | 2-1/16 | 2.273 | 27/32 | 3.000 | 3.250 |
| 1-1/2" | 1.5000 | 1.4880 | 2-1/4 | 2.480 | 1-5/16 | 3.250 | 3.500 |
| 1-3/4" | 1.7500 | 1.7380 | 2-5/8 | 2.893 | 1-3/32 | 3.750 | 4.000 |
| 2" | 2.0000 | 1.9880 | 3 | 3.306 | 1-7/32 | 4.250 | 4.500 |
| 2-1/4" | 2.2500 | 2.2380 | 3-3/8 | 3.719 | 1-3/8 | 4.750 | 5.000 |
| 2-1/2" | 2.5000 | 2.4880 | 3-3/4 | 4.133 | 1-17/32 | 5.250 | 5.500 |
| 2-3/4" | 2.7500 | 2.7380 | 4-1/8 | 4.546 | 1-11/16 | 5.750 | 6.000 |
| 3" | 3.0000 | 2.9880 | 4-1/2 | 4.959 | 1-7/8 | 6.250 | 6.500 |
| Hexagon Bolts / Set Screws | Stud Bolts | Hexagon Nuts | Socket Cap screws |
| DIN 931 | BS4882 | DIN 934 | DIN 912 |
| DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
| BS 1768 | BS 1769 | DIN 7984 | |
| UNI 5731 | BS 1083 | ANSI B18.3 | |
| UNI 5739 | BS 3692 | ISO 4762 | |
| ISO 4014 | ISO 4032 | UNI 5931 | |
| ISO 4017 | ISO 4033 | BS 2470 | |
| BS 1769 | ANSI B18.2.2 | BS 4168 | |
| BS 3692 | |||
| ANSI B18.2.1 |
To preserve the high standards of our selection of industrial fasteners, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of fasteners.
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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