Ashraf Nickel Alloys stands out as a leading manufacturer and supplier of Monel 400 Stud Bolts in Riyadh, Saudi Arabia. We specialize in providing high-performance fastening solutions tailored for industries that operate in tough and corrosive environments. Monel 400, a nickel-copper alloy, boasts impressive resistance to seawater, salt brine, acids, and alkaline substances, making it a dependable choice for offshore, chemical, and energy sectors. Our Monel 400 Stud Bolts are crafted with precision, ensuring exceptional strength, durability, and accuracy. They are in high demand across marine, oil & gas, petrochemical, and power generation industries, delivering long-lasting fastening solutions even in the most challenging conditions.
Monel 400 Stud Bolts generally consist of around 63% nickel and 28–34% copper, along with trace amounts of iron, manganese, and silicon. This unique composition provides outstanding resistance to seawater, hydrofluoric acid, and alkaline environments. In terms of mechanical properties, they showcase high tensile strength, durability, and toughness, even in freezing temperatures. Monel 400 Stud Bolts are also resistant to stress corrosion cracking, cavitation, and erosion, ensuring reliable performance under extreme pressures and temperatures. Their combination of corrosion resistance and mechanical strength makes them ideal for critical fastening in highly corrosive and demanding industrial settings.
| 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 |
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| 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 |
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Properties
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Metric
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Imperial
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Tensile strength(annealed)
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517-620 MPa
|
75-90 ksi
|
|
Yield strength
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172-345 MPa
|
25-50 ksi
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Modulus of elasticity
|
179 GPa
|
26000 ksi
|
|
Poisson’s ratio
|
0.32
|
0.32
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At Ashraf Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel 400 Stud Bolts in Riyadh, Saudi Arabia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Saudi Arabia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Monel 400 stud bolts are widely used in demanding environments due to their exceptional corrosion resistance, especially in seawater and acidic conditions. They are ideal for marine applications, chemical processing, and oil and gas industries. These bolts are also suitable for high-temperature applications because of their strength and resistance to oxidation. Their durability ensures long-term performance in harsh conditions, making them essential for maintaining the integrity of critical structures and equipment in challenging environments.