Al Vishwas Nickel Alloys, headquartered in Dubai, UAE, is a leading manufacturer and supplier of premium-quality Monel 400 Stud Bolts, ideal for applications requiring robust, corrosion-resistant fastenings. Made from high-grade Monel 400 alloy, these bolts are engineered to endure, delivering exceptional durability, mechanical strength, and resistance to harsh chemical and marine environments. Through a dedication to accurate manufacturing and rigorous quality control, Al Vishwas Nickel Alloys complies with international standards, providing reliable fastening solutions for essential industrial requirements. Frequently used in marine, chemical, petrochemical, and offshore industries, Monel 400 Stud Bolts ensure safe, durable connections wherever performance, safety, and corrosion resistance matter most.
Monel 400 Stud Bolts consist mainly of nickel (roughly 63%) and copper (28–34%), together with small quantities of iron, manganese, and silicon that enhance their strength and corrosion resistance. These bolts are recognized for their outstanding tensile and yield strength, superb toughness, and notable fatigue resistance. They stay stable across a broad temperature range and demonstrate strong resistance to stress-corrosion cracking, pitting, and erosion. Thanks to these properties, Monel 400 Stud Bolts provide dependable and long-lasting performance, which makes them well suited for high-pressure, chemically harsh, and marine settings where lasting structural integrity is essential.
| Material Specification | ASTM F 467 ASME SF 467, UNS 4400 Bolts |
|---|---|
| Monel 400 bolts ISO/ DIN | ISO 4035 , ISO 4032 , DIN 936 , ISO 7040 , ISO 7040 , DIN 315 , ISO 5448 , ISO 4161 , DIN 1587 , DIN 6923 , DIN 934 , DIN 917 , ISO 7035 , DIN 439 , ISO 8675 , DIN 985 , DIN 935 , DIN 17754 |
| Scope Of Manufacture |
|
| Monel 400 Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Monel 400 bolting materials Surface Coating: |
All surface finishes offered, including Galvanised, Zinc, Electroless Nickel, Sherardized,Geomet & PTFE, Dacromet |
| In Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Standard | DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM and all International Standards |
| Bolts Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160 |
| Length | 3 mm to 200 mm |
| Source of raw materials | Tata Steel, JSPL, RINL, Usha Martin, Dhamm Steel, Mukund Steel etc. |
| Monel 400 bolting Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Alloy 400 Fasteners Standard: | ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard : UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization : ISO 4032, ISO 4033, JIS standards |
| finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Popular Types of Alloy 400 Bolts | Monel 400 Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc. |
| Types of Alloy 400 Nut | Monel 400 Hex Head Nut, Eye Nut, Dome Nut, Wing Nut, T Nut, Panel Nut, Lock Nut, Coupling Nut, Square Nut, Acorn Nut etc. |
| Types of Alloy 400 Screw | Monel 400 Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc. |
| Widely used Alloy 400 Washer | Monel 400 Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer, Split Washer etc. |
| Packing: | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Element | Content (%) |
| Nickel, Ni | 63.00 min |
| Silicon, Si | 0.5 max |
| Carbon, C | 0.3 max |
| Sulphur, 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
|
At Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel 400 Stud Bolts in Dubai, UAE, delivering advanced solutions for every piping requirement you have. Our modern manufacturing facilities are strategically positioned in the UAE, enabling us to keep an extensive stock of more than 16,000 tons of top-quality materials on hand and ready for immediate supply. We are committed to providing outstanding products and services, guaranteeing dependability and excellence for customers around the world.
Reach out to us for a fast quote tailored to your needs.
Monel 400 Stud Bolts are widely applied in industries needing dependable, corrosion-resistant, and high-strength fastening solutions. Within marine and offshore environments, they play a vital role in seawater systems, shipbuilding, desalination plants, and offshore structures. The chemical and petrochemical industries depend on them for reactors, pipelines, and processing equipment exposed to harsh substances. They are also employed in oil and gas pipelines, heat exchangers, and numerous other uses where durability and reliability are essential.