Santner Nickel Alloys, based in Hamilton, New Zealand, is a top-notch manufacturer and supplier of high-quality Monel 400 Stud Bolts, perfect for applications that demand strong, corrosion-resistant fastenings. Crafted from premium Monel 400 alloy, these bolts are built to last, offering outstanding durability, mechanical strength, and resistance to tough chemical and marine conditions. With a commitment to precise manufacturing and strict quality control, Santner Nickel Alloys adheres to international standards, ensuring dependable fastening solutions for critical industrial needs. Commonly found in marine, chemical, petrochemical, and offshore sectors, Monel 400 Stud Bolts guarantee secure, long-lasting connections where performance, safety, and corrosion resistance are essential.
Monel 400 Stud Bolts are primarily made up of nickel (about 63%) and copper (28–34%), along with trace amounts of iron, manganese, and silicon to boost their strength and resistance to corrosion. These bolts are known for their impressive tensile and yield strength, excellent toughness, and remarkable fatigue resistance. They maintain stability over a wide temperature range and show great resistance to stress-corrosion cracking, pitting, and erosion. These characteristics ensure that Monel 400 Stud Bolts deliver reliable and durable performance, making them ideal for high-pressure, chemically aggressive, and marine environments where long-term structural integrity is crucial.
| 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)
|
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
|
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Monel 400 Stud Bolts in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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 find extensive use in industries that require secure, corrosion-resistant, and high-strength fastening solutions. In marine and offshore settings, they are essential for seawater systems, shipbuilding, desalination plants, and offshore structures. The chemical and petrochemical sectors rely on them for reactors, pipelines, and processing equipment that come into contact with aggressive substances. Additionally, they are utilized in oil and gas pipelines, heat exchangers, and various other applications where durability and reliability are key.