Hastelloy C276 Washers are high-performance fastening components designed for demanding industrial environments where exceptional corrosion resistance and mechanical reliability are essential. Manufactured from a premium nickel-molybdenum-chromium alloy, these washers offer outstanding protection against oxidizing and reducing chemicals, chlorides, acids, seawater, and high-temperature conditions. Their superior strength and durability make them an ideal choice for critical applications in the chemical processing, oil and gas, marine, power generation, pharmaceutical, and petrochemical industries. Dalloyed Bolts manufactures precision-engineered washers that ensure excellent load distribution, leak-free joints, and long service life even in the harshest operating environments.
Hastelloy C276 Washers Manufacturers and Suppliers
As one of the trusted Hastelloy C276 Washers Manufacturers, Dalloyed Bolts delivers premium-quality industrial washers manufactured with advanced production technology and strict quality control. Every washer is produced using certified raw materials to ensure dimensional accuracy, excellent surface finish, and consistent mechanical performance. These washers are suitable for high-pressure systems where reliable fastening is essential for operational safety and long-term performance.
Industrial buyers searching for dependable Hastelloy C276 Washers Suppliers choose Dalloyed Bolts because of its commitment to quality, timely delivery, and customer satisfaction. The company supplies standard and customized washer dimensions for various industrial requirements while maintaining international quality standards. With a strong inventory and efficient logistics, customers receive products quickly without compromising quality.
Product Overview
Hastelloy C276 is a nickel-based alloy containing molybdenum, chromium, tungsten, and iron that provides excellent resistance to corrosion in both oxidizing and reducing environments. Washers manufactured from this alloy maintain their strength and corrosion resistance even after prolonged exposure to aggressive chemicals and elevated temperatures. They are commonly used with Hastelloy bolts, nuts, and studs to create complete corrosion-resistant fastening systems.
These washers are available in several configurations, including flat washers, plain washers, spring washers, lock washers, square washers, and custom-machined washers. They are manufactured according to customer drawings as well as international dimensional standards.
Material Composition
The outstanding performance of Hastelloy C276 results from its balanced chemical composition.
| Element | Content |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 14.5–16.5% |
| Molybdenum (Mo) | 15–17% |
| Tungsten (W) | 3–4.5% |
| Iron (Fe) | 4–7% |
| Cobalt (Co) | Max 2.5% |
| Manganese (Mn) | Max 1% |
| Silicon (Si) | Max 0.08% |
| Carbon (C) | Max 0.01% |
This composition provides outstanding resistance against hydrochloric acid, sulfuric acid, ferric chloride, chlorine gas, wet chlorine, seawater, and numerous aggressive industrial chemicals.
Mechanical Properties
The alloy provides an excellent balance of strength, ductility, and toughness.
| Property | Value |
|---|---|
| Tensile Strength | 690 MPa Minimum |
| Yield Strength | 283 MPa Minimum |
| Elongation | 40% Minimum |
| Density | 8.89 g/cm³ |
| Hardness | Max 100 HRB |
| Melting Range | 1325–1370°C |
These mechanical characteristics ensure reliable fastening performance under vibration, thermal cycling, heavy loads, and continuous industrial operation.
Chemical Properties
Hastelloy C276 is recognized worldwide for its exceptional chemical resistance. The alloy withstands highly corrosive process media, including mineral acids, organic acids, chlorides, seawater, and oxidizing agents. It offers outstanding protection against pitting corrosion, crevice corrosion, stress corrosion cracking, and localized corrosion, making it one of the most reliable materials for severe service environments.
International Standards and Specifications
Products manufactured from this alloy comply with various international specifications to ensure worldwide acceptance and compatibility.
- ASTM B574
- ASTM B575
- ASTM B622
- ASTM B619
- ASME SB574
- ASME SB575
- ASME SB622
- UNS N10276
- W.Nr. 2.4819
- DIN 2.4819
- EN 2.4819
- ISO Standards
- JIS Equivalent Specifications
Across different countries, Hastelloy C276 is commonly identified by UNS N10276, Werkstoff Number 2.4819, DIN 2.4819, EN 2.4819, and corresponding ASME material specifications.
Pipe Types and Available Sizes
Although washers are fastening components, they are extensively used with piping systems manufactured from stainless steel, duplex steel, super duplex steel, nickel alloys, titanium, carbon steel, and alloy steel.
Standard washer sizes generally include:
- M3 to M100
- ¼" to 4"
- Custom dimensions
- Metric and Imperial sizes
- Laser-cut and CNC-machined sizes
Custom thicknesses and outside diameters are also available according to project requirements.
Industrial Applications of Hastelloy C276 Washers
Industries requiring maximum corrosion resistance depend on Hastelloy C276 Washers Manufacturers In India for high-quality fastening solutions capable of performing in aggressive operating environments. Dalloyed Bolts supplies washers suitable for critical industrial sectors where safety and durability are top priorities.
Major applications include:
- Chemical Processing Plants
- Petrochemical Industries
- Oil & Gas Facilities
- Offshore Platforms
- Marine Engineering
- Power Generation
- Nuclear Plants
- Pharmaceutical Manufacturing
- Fertilizer Plants
- Pollution Control Equipment
- Heat Exchangers
- Pressure Vessels
- Desalination Plants
- Pulp & Paper Industry
- Aerospace Components
These washers provide reliable performance even under continuous exposure to corrosive chemicals and elevated operating temperatures.
Features and Advantages
Industries purchasing from Hastelloy C276 Washers Suppliers In India appreciate the alloy's excellent combination of corrosion resistance and mechanical strength.
Key advantages include:
- Outstanding corrosion resistance
- Excellent oxidation resistance
- High-temperature stability
- Superior resistance to chlorides
- Excellent weldability
- Long service life
- High mechanical strength
- Low maintenance requirements
- Excellent dimensional stability
- Resistance to pitting and crevice corrosion
- Suitable for cryogenic applications
- Reliable sealing performance
These benefits significantly reduce maintenance costs and improve operational efficiency.
Manufacturing Process
Every washer manufactured by Dalloyed Bolts passes through a carefully controlled production process.
The manufacturing sequence includes raw material inspection, cutting, CNC machining, punching, drilling, deburring, solution annealing when required, surface finishing, dimensional inspection, hardness testing, marking, cleaning, and protective packaging. Every stage is monitored to ensure compliance with international quality standards.
Testing Methods
Products supplied by Hastelloy C276 Washers Stockists In India undergo comprehensive testing before dispatch.
Typical quality inspections include:
- PMI Testing
- Chemical Analysis
- Mechanical Testing
- Hardness Testing
- Tensile Testing
- Dimensional Inspection
- Surface Finish Inspection
- Visual Examination
- Corrosion Testing
- Third-Party Inspection (when required)
These inspections ensure consistent quality and dependable field performance.
Pressure and Temperature Resistance
The alloy performs exceptionally well in both high-pressure and elevated-temperature service conditions. Its excellent creep resistance, thermal stability, and resistance to thermal fatigue allow the washers to maintain joint integrity during continuous industrial operation. These characteristics make them suitable for pressure vessels, reactors, boilers, heat exchangers, and refinery equipment where reliability is critical.
Corrosion Resistance
Customers seeking reliable Hastelloy C276 Washers Exporters In India value products capable of resisting aggressive chemical attack. The alloy provides outstanding resistance to hydrochloric acid, sulfuric acid, phosphoric acid, chlorine dioxide, ferric chloride, wet chlorine, seawater, and numerous industrial chemicals. This exceptional corrosion resistance significantly extends equipment life while reducing maintenance and replacement costs.
Hastelloy C276 Washers Stockists and Exporters
As experienced Hastelloy C276 Washers Stockists, Dalloyed Bolts maintains a comprehensive inventory to meet urgent project requirements and scheduled industrial deliveries. Standard sizes, custom dimensions, and special production quantities are readily available for domestic and international customers.
Global industries also rely on professional Hastelloy C276 Washers Exporters In Mumbai for dependable supply and export-quality packaging. Every shipment is prepared according to international shipping standards, ensuring safe transportation and timely delivery to overseas markets.
Industrial buyers searching for reliable Hastelloy C276 Washers Manufacturers In Mumbai benefit from precision manufacturing, technical expertise, and strict quality assurance offered by Dalloyed Bolts. The company continues to support engineering projects with consistent product quality and responsive customer service.
Customers looking for dependable Hastelloy C276 Washers Suppliers In Mumbai receive prompt quotations, technical guidance, and fast deliveries. Every order is handled with attention to quality, documentation, and customer satisfaction.
Companies choosing Hastelloy C276 Washers Stockists In Mumbai appreciate the ready availability of standard and customized washer sizes for maintenance shutdowns, construction projects, and industrial expansions.
Why Industries Prefer This Product
Modern industries demand fastening components capable of performing reliably in corrosive and high-temperature environments. Hastelloy C276 washers provide outstanding durability, excellent sealing support, long service life, superior corrosion resistance, and reduced maintenance requirements. Their ability to maintain structural integrity under severe operating conditions makes them one of the most preferred washer materials for critical engineering applications.
Why Choose Dalloyed Bolts
Dalloyed Bolts is committed to manufacturing premium-quality industrial washers that meet international quality standards and customer expectations. With advanced manufacturing facilities, experienced professionals, strict quality control, and a strong inventory, the company supplies reliable fastening solutions for industries worldwide. Every product is carefully inspected before dispatch to ensure consistent quality, precision, and long-term performance. Whether the requirement is for standard washers or custom-engineered solutions, Dalloyed Bolts delivers products designed for reliability, durability, and exceptional service life.
Contact Us
+91-7666996996
+91-7666996996
https://www.dalloyedbolts.com/
10th Khetwadi Back Road, Mumbai 400004.