Hastelloy C276 Fasteners Suppliers & Exporters in Europe, USA and Gulf Countries
Aurum Overseas supplies Hastelloy C276 fasteners for chemical processing, offshore, marine, refinery, and chloride-intensive industrial systems. The nickel-molybdenum-chromium alloy is selected for severe corrosion conditions where conventional stainless steel fasteners may experience pitting, crevice corrosion, or stress corrosion cracking.
Hastelloy C276 fasteners perform in acidic, chloride-rich, oxidizing, and reducing environments, supporting applications where corrosion resistance, structural reliability, and long service life are essential.
Aurum Overseas supplies Hastelloy C276 fasteners to major international markets including the USA, Canada, Mexico, UAE, Saudi Arabia, Germany, France, Italy, Spain, Netherlands, Qatar, and Oman, supporting EPC contractors, manufacturers, distributors, and industrial buyers with reliable export supply.
Metallurgical Composition and Mechanical Properties of Hastelloy C276 Fasteners
Hastelloy C276 combines nickel with high molybdenum and chromium content for broad corrosion resistance, while its low carbon content helps maintain corrosion resistance in welded and fabricated assemblies.
Chemical Composition
| Element | Composition (%) | Functional Role |
|---|---|---|
| Nickel | Balance | Base corrosion resistance |
| Molybdenum | 15.0 – 17.0 | Pitting and crevice resistance |
| Chromium | 14.5 – 16.5 | Oxidation resistance |
| Iron | 4.0 – 7.0 | Structural stability |
| Tungsten | 3.0 – 4.5 | High-temperature corrosion resistance |
| Carbon | ≤ 0.01 | Reduced sensitization |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 690 – 900 MPa |
| Yield Strength | 280 – 400 MPa |
| Elongation | 35 – 45% |
| Hardness | 85 – 100 HRB |
Hastelloy C276 Fasteners for Pitting, Crevice and Acid Resistance
Hastelloy C276 fasteners provide resistance to pitting, crevice corrosion, chloride attack, and stress corrosion cracking in seawater and aggressive process environments. They also perform in sulfuric acid, hydrochloric acid, phosphoric acid, and wet chlorine systems.
This corrosion resistance makes the alloy suitable for chemical reactors, scrubbers, pollution-control equipment, offshore systems, desalination plants, and refinery equipment exposed to acidic condensates and chloride-rich media.
ASTM, ASME, NACE and EN Standards for Hastelloy C276 Fasteners
Hastelloy C276 fasteners are supplied to major international standards for chemical processing, offshore, marine, and oil & gas applications.
| Region | Standards | Key Specifications |
|---|---|---|
| USA | ASTM / ASME | ASTM B574, ASTM B575, ASME SB574 |
| Europe | EN / DIN | EN 2.4819, DIN NiMo16Cr15W |
| Gulf Countries | NACE / ISO | NACE MR0175, ISO 15156 |
| Offshore Projects | EPC Specifications | ADNOC, Aramco, Shell Standards |
Hastelloy C276 Fasteners Sizes, Threads and Types
Hastelloy C276 fasteners are available from M3 to M56 and above, with Metric, UNC, and UNF thread systems. Custom dimensions and machining are available for specialized industrial and project requirements.
Available Fastener Types
Bolts
Studs
Nuts
Washers
Screws
Threaded Bar
Size and Thread Range
| Parameter | Availability |
|---|---|
| Diameter | M3 to M56 and above |
| Threads | Metric, UNC, UNF |
| Length | Standard and Custom |
| Thread Form | Rolled / Cut |
| Custom Machining | Available |
| Special Requirements | Project-Based |
Hastelloy C276 Fasteners for Offshore, Chemical and Marine Applications
Hastelloy C276 fasteners are used in chemical reactors, scrubbers, pressure vessels, pipelines, pollution-control systems, and process equipment handling aggressive acidic and chloride-rich media.
Offshore and marine applications include subsea systems, offshore platforms, desalination plants, shipbuilding, and seawater handling equipment where resistance to pitting, crevice corrosion, and chloride attack is important. The alloy is also used in refinery and environmental systems exposed to corrosive gases and acidic condensates.
- Chemical reactors
- Scrubbers & pollution-control systems
- Pressure vessels
- Pipelines
- Subsea systems & offshore platforms
- Desalination plants
- Shipbuilding & seawater handling
- Refinery equipment
Global Export Markets
Aurum Overseas supplies its products to major industrial and engineering markets worldwide, supporting EPC contractors, manufacturers, distributors, and industrial buyers with reliable supply and export logistics.
USA
Canada
Mexico
UAE
Saudi
Arabia
Germany
France
Italy
Spain
Netherlands
Belgium
Poland
Qatar
Oman
Kuwait
Bahrain
Quality Assurance and Testing
Hastelloy C276 fasteners can be supplied with EN 10204 3.1/3.2 certification, PMI testing, dimensional inspection, mechanical testing, and material verification for industrial projects.
Testing and Certification
| Quality Requirement | Availability |
|---|---|
| EN 10204 3.1 | Available |
| EN 10204 3.2 | Available |
| PMI Testing | Available |
| Chemical Analysis | Available |
| Mechanical Testing | Available |
| Dimensional Inspection | Available |
| Third-Party Inspection | On Request |
Export Packaging and Global Logistics
Hastelloy C276 fasteners are packed with protective materials to minimize moisture exposure, contamination, and mechanical damage during international transportation.
Export Packaging
| Packaging Type | Application |
|---|---|
| VCI Protection | Corrosion Protection |
| Sealed Packaging | Moisture Protection |
| Fumigated Wooden Crates | Bulk Export Shipments |
| Custom Project Packing | Available |
Proper labeling, batch traceability, and export documentation support reliable delivery across USA, Europe, and Gulf countries.
Why EPC and Chemical Industry Buyers Choose Aurum Overseas
Aurum Overseas supplies Hastelloy C276 fasteners for critical offshore, refinery, marine, and chemical processing applications with a focus on certified quality, technical consistency, and export reliability.
We support bulk orders, custom manufacturing, inspection requirements, and project-specific procurement for demanding corrosion-resistant fastening applications.
Hastelloy C276 vs C22 Fasteners for Corrosion-Critical Applications
Hastelloy C276 fasteners provide broad resistance across oxidizing and reducing environments, making them suitable for offshore, refinery, marine, and aggressive chemical processing applications.
Where localized corrosion resistance in highly oxidizing and chloride-rich chemical environments is the priority, Hastelloy C22 Fasteners Suppliers & Exporters can be considered for suitable process applications.
| Comparison Factor | Hastelloy C276 | Hastelloy C22 |
|---|---|---|
| Primary Service | Severe corrosion and mixed chemical environments | Aggressive oxidizing and chloride environments |
| Molybdenum | 15.0 – 17.0% | 12.5 – 14.5% |
| Chromium | 14.5 – 16.5% | 20 – 22.5% |
| Pitting Resistance | Excellent | Excellent |
| Chloride Resistance | Excellent | Excellent |
| Oxidizing Media | Excellent | Excellent |
| Typical Applications | Offshore, refinery, chemical processing | Chemical, pharmaceutical, chlorination |
FAQs – Hastelloy C276 Fasteners
Hastelloy C276 fasteners provide exceptional resistance to aggressive chemicals including sulfuric acid, hydrochloric acid, and chloride-rich media. Their nickel-molybdenum-chromium composition allows them to perform reliably in both oxidizing and reducing environments where conventional stainless steel fasteners often fail.
Yes, Hastelloy C276 fasteners offer excellent resistance to seawater corrosion, pitting corrosion, and crevice corrosion. This makes them highly suitable for offshore platforms, desalination plants, subsea systems, and marine engineering applications exposed to continuous chloride-rich environments.
Yes, Aurum Overseas supplies Hastelloy C276 fasteners across USA, Europe, and Gulf countries with full export documentation, certifications, and project-based logistics support. We support both bulk industrial procurement and customized engineering requirements.
We provide EN 10204 3.1/3.2 certification along with PMI testing reports, mechanical testing reports, and dimensional inspection records. Additional third-party inspection can also be arranged according to EPC project specifications and offshore procurement standards.
Yes, these fasteners are extensively used in offshore oil & gas industries due to their strong resistance to chlorides, seawater exposure, and aggressive chemical environments. Compliance with NACE and offshore project standards makes them suitable for critical offshore systems.
Fasteners are packed using corrosion-resistant protective materials including VCI packaging, sealed export protection, and fumigated wooden crates. Proper labeling and traceability documentation ensure safe global transportation and smooth customs clearance for international shipments.
Request a Quote for Hastelloy C276 Fasteners
Need Hastelloy C276 fasteners for offshore, refinery, marine, or chemical processing applications? Aurum Overseas offers bulk supply, custom manufacturing, certification, and global delivery.
Contact us for a quotation based on your specifications, quantity, and delivery location.
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